mirror of
https://github.com/jquery/jquery.git
synced 2024-11-23 02:54:22 +00:00
* Fixed a bug in jQuery.fn.offset relating to the calculation of scroll offsets.
* Fixed jQuery.fn.height and jQuery.fn.width to properly pass on a value for setting the height and width of an element if passed in.
This commit is contained in:
Brandon Aaron
parent
dbee06de85
commit
016bd18ba3
@ -1,307 +1,312 @@
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/**
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* This plugin overrides jQuery's height() and width() functions and
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* adds more handy stuff for cross-browser compatibility.
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*/
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/**
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* Returns the css height value for the first matched element.
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* If used on document, returns the document's height (innerHeight)
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* If used on window, returns the viewport's (window) height
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*
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* @example $("#testdiv").height()
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* @result "200px"
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*
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* @example $(document).height();
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* @result 800
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*
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* @example $(window).height();
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* @result 400
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*
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* @name height
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* @type Object
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* @cat Dimensions
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*/
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jQuery.fn.height = function() {
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if ( this.get(0) == window )
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return self.innerHeight ||
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jQuery.boxModel && document.documentElement.clientHeight ||
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document.body.clientHeight;
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if ( this.get(0) == document )
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return Math.max( document.body.scrollHeight, document.body.offsetHeight );
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return this.css("height");
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};
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/**
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* Returns the css width value for the first matched element.
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* If used on document, returns the document's width (innerWidth)
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* If used on window, returns the viewport's (window) width
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*
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* @example $("#testdiv").width()
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* @result "200px"
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*
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* @example $(document).width();
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* @result 800
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*
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* @example $(window).width();
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* @result 400
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*
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* @name width
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* @type Object
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* @cat Dimensions
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*/
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jQuery.fn.width = function() {
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if ( this.get(0) == window )
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return self.innerWidth ||
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jQuery.boxModel && document.documentElement.clientWidth ||
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document.body.clientWidth;
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if ( this.get(0) == document )
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return Math.max( document.body.scrollWidth, document.body.offsetWidth );
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return this.css("width");
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};
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/**
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* Returns the inner height value (without border) for the first matched element.
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* If used on document, returns the document's height (innerHeight)
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* If used on window, returns the viewport's (window) height
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*
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* @example $("#testdiv").innerHeight()
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* @result 800
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*
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* @name innerHeight
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* @type Number
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* @cat Dimensions
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*/
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jQuery.fn.innerHeight = function() {
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return this.get(0) == window || this.get(0) == document ?
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this.height() :
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this.get(0).offsetHeight - parseInt(this.css("borderTop") || 0) - parseInt(this.css("borderBottom") || 0);
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};
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/**
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* Returns the inner width value (without border) for the first matched element.
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* If used on document, returns the document's Width (innerWidth)
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* If used on window, returns the viewport's (window) width
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*
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* @example $("#testdiv").innerWidth()
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* @result 1000
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*
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* @name innerWidth
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* @type Number
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* @cat Dimensions
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*/
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jQuery.fn.innerWidth = function() {
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return this.get(0) == window || this.get(0) == document ?
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this.width() :
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this.get(0).offsetWidth - parseInt(this.css("borderLeft") || 0) - parseInt(this.css("borderRight") || 0);
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};
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/**
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* Returns the outer height value (including border) for the first matched element.
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* Cannot be used on document or window.
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*
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* @example $("#testdiv").outerHeight()
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* @result 1000
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*
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* @name outerHeight
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* @type Number
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* @cat Dimensions
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*/
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jQuery.fn.outerHeight = function() {
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return this.get(0) == window || this.get(0) == document ?
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this.height() :
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this.get(0).offsetHeight;
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};
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/**
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* Returns the outer width value (including border) for the first matched element.
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* Cannot be used on document or window.
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*
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* @example $("#testdiv").outerWidth()
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* @result 1000
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*
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* @name outerWidth
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* @type Number
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* @cat Dimensions
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*/
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jQuery.fn.outerWidth = function() {
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return this.get(0) == window || this.get(0) == document ?
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this.width() :
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this.get(0).offsetWidth;
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};
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/**
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* Returns how many pixels the user has scrolled to the right (scrollLeft).
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* Works on containers with overflow: auto and window/document.
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*
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* @example $("#testdiv").scrollLeft()
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* @result 100
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*
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* @name scrollLeft
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* @type Number
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* @cat Dimensions
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*/
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jQuery.fn.scrollLeft = function() {
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if ( this.get(0) == window || this.get(0) == document )
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return self.pageXOffset ||
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jQuery.boxModel && document.documentElement.scrollLeft ||
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document.body.scrollLeft;
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return this.get(0).scrollLeft;
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};
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/**
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* Returns how many pixels the user has scrolled to the bottom (scrollTop).
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* Works on containers with overflow: auto and window/document.
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*
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* @example $("#testdiv").scrollTop()
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* @result 100
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*
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* @name scrollTop
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* @type Number
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* @cat Dimensions
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*/
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jQuery.fn.scrollTop = function() {
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if ( this.get(0) == window || this.get(0) == document )
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return self.pageYOffset ||
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jQuery.boxModel && document.documentElement.scrollTop ||
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document.body.scrollTop;
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return this.get(0).scrollTop;
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};
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/**
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* This returns an object with top, left, width, height, borderLeft,
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* borderTop, marginLeft, marginTop, scrollLeft, scrollTop,
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* pageXOffset, pageYOffset.
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*
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* The top and left values include the scroll offsets but the
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* scrollLeft and scrollTop properties of the returned object
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* are the combined scroll offets of the parent elements
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* (not including the window scroll offsets). This is not the
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* same as the element's scrollTop and scrollLeft.
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*
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* For accurate readings make sure to use pixel values.
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*
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* @name offset
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* @type Object
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* @cat Dimensions
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* @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
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*/
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/**
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* This returns an object with top, left, width, height, borderLeft,
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* borderTop, marginLeft, marginTop, scrollLeft, scrollTop,
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* pageXOffset, pageYOffset.
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*
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* The top and left values include the scroll offsets but the
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* scrollLeft and scrollTop properties of the returned object
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* are the combined scroll offets of the parent elements
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* (not including the window scroll offsets). This is not the
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* same as the element's scrollTop and scrollLeft.
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*
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* For accurate readings make sure to use pixel values.
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*
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* @name offset
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* @type Object
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* @param String refElement This is an expression. The offset returned will be relative to the first matched element.
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* @cat Dimensions
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* @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
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*/
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/**
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* This returns an object with top, left, width, height, borderLeft,
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* borderTop, marginLeft, marginTop, scrollLeft, scrollTop,
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* pageXOffset, pageYOffset.
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*
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* The top and left values include the scroll offsets but the
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* scrollLeft and scrollTop properties of the returned object
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* are the combined scroll offets of the parent elements
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* (not including the window scroll offsets). This is not the
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* same as the element's scrollTop and scrollLeft.
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*
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* For accurate readings make sure to use pixel values.
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*
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* @name offset
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* @type Object
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* @param jQuery refElement The offset returned will be relative to the first matched element.
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* @cat Dimensions
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* @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
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*/
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/**
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* This returns an object with top, left, width, height, borderLeft,
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* borderTop, marginLeft, marginTop, scrollLeft, scrollTop,
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* pageXOffset, pageYOffset.
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*
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* The top and left values include the scroll offsets but the
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* scrollLeft and scrollTop properties of the returned object
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* are the combined scroll offets of the parent elements
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* (not including the window scroll offsets). This is not the
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* same as the element's scrollTop and scrollLeft.
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*
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* For accurate readings make sure to use pixel values.
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*
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* @name offset
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* @type Object
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* @param HTMLElement refElement The offset returned will be relative to this element.
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* @cat Dimensions
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* @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
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*/
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jQuery.fn.offset = function(refElem) {
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if (!this[0]) throw 'jQuery.fn.offset requires an element.';
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refElem = (refElem) ? jQuery(refElem)[0] : null;
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var x = 0, y = 0, elm = this[0], parent = this[0], pos = null, borders = [0,0], isElm = true, sl = 0, st = 0;
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do {
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if (parent.tagName == 'BODY' || parent.tagName == 'HTML') {
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// Safari and IE don't add margin for static and relative
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if ((jQuery.browser.safari || jQuery.browser.msie) && pos != 'absolute') {
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x += parseInt(jQuery.css(parent, 'marginLeft')) || 0;
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y += parseInt(jQuery.css(parent, 'marginTop')) || 0;
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}
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break;
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}
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pos = jQuery.css(parent, 'position');
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border = [parseInt(jQuery.css(parent, 'borderLeftWidth')) || 0,
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parseInt(jQuery.css(parent, 'borderTopWidth')) || 0];
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sl = parent.scrollLeft;
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st = parent.scrollTop;
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x += (parent.offsetLeft || 0) + border[0] - sl;
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y += (parent.offsetTop || 0) + border[1] - st;
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// Safari and Opera include the border already for parents with position = absolute|relative
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if ((jQuery.browser.safari || jQuery.browser.opera) && !isElm && (pos == 'absolute' || pos == 'relative')) {
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x -= border[0];
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y -= border[1];
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}
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parent = parent.offsetParent;
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isElm = false;
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} while(parent);
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if (refElem) {
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var offset = jQuery(refElem).offset();
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x = x - offset.left;
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y = y - offset.top;
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sl = sl - offset.scrollLeft;
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st = st - offset.scrollTop;
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}
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return {
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top: y,
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left: x,
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width: elm.offsetWidth,
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height: elm.offsetHeight,
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borderTop: parseInt(jQuery.css(elm, 'borderTopWidth')) || 0,
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borderLeft: parseInt(jQuery.css(elm, 'borderLeftWidth')) || 0,
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marginTop: parseInt(jQuery.css(elm, 'marginTopWidth')) || 0,
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marginLeft: parseInt(jQuery.css(elm, 'marginLeftWidth')) || 0,
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scrollTop: st,
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scrollLeft: sl,
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pageYOffset: window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0,
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pageXOffset: window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0
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};
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/**
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* This plugin overrides jQuery's height() and width() functions and
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* adds more handy stuff for cross-browser compatibility.
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*/
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/**
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* Returns the css height value for the first matched element.
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* If used on document, returns the document's height (innerHeight)
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* If used on window, returns the viewport's (window) height
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*
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* @example $("#testdiv").height()
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* @result "200px"
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*
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* @example $(document).height();
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* @result 800
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*
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* @example $(window).height();
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* @result 400
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*
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* @name height
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* @type Object
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* @cat Dimensions
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*/
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jQuery.fn.height = function() {
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if ( this.get(0) == window )
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return self.innerHeight ||
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jQuery.boxModel && document.documentElement.clientHeight ||
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document.body.clientHeight;
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if ( this.get(0) == document )
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return Math.max( document.body.scrollHeight, document.body.offsetHeight );
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return this.css("height", arguments[0]);
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};
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/**
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* Returns the css width value for the first matched element.
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* If used on document, returns the document's width (innerWidth)
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* If used on window, returns the viewport's (window) width
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*
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* @example $("#testdiv").width()
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* @result "200px"
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*
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* @example $(document).width();
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* @result 800
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*
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* @example $(window).width();
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* @result 400
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*
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* @name width
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* @type Object
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* @cat Dimensions
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*/
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jQuery.fn.width = function() {
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if ( this.get(0) == window )
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return self.innerWidth ||
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jQuery.boxModel && document.documentElement.clientWidth ||
|
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document.body.clientWidth;
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|
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if ( this.get(0) == document )
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return Math.max( document.body.scrollWidth, document.body.offsetWidth );
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|
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return this.css("width", arguments[0]);
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};
|
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|
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/**
|
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* Returns the inner height value (without border) for the first matched element.
|
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* If used on document, returns the document's height (innerHeight)
|
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* If used on window, returns the viewport's (window) height
|
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*
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* @example $("#testdiv").innerHeight()
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* @result 800
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*
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* @name innerHeight
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* @type Number
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* @cat Dimensions
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*/
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jQuery.fn.innerHeight = function() {
|
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return this.get(0) == window || this.get(0) == document ?
|
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this.height() :
|
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this.get(0).offsetHeight - parseInt(this.css("borderTop") || 0) - parseInt(this.css("borderBottom") || 0);
|
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};
|
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|
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/**
|
||||
* Returns the inner width value (without border) for the first matched element.
|
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* If used on document, returns the document's Width (innerWidth)
|
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* If used on window, returns the viewport's (window) width
|
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*
|
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* @example $("#testdiv").innerWidth()
|
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* @result 1000
|
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*
|
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* @name innerWidth
|
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* @type Number
|
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* @cat Dimensions
|
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*/
|
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jQuery.fn.innerWidth = function() {
|
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return this.get(0) == window || this.get(0) == document ?
|
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this.width() :
|
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this.get(0).offsetWidth - parseInt(this.css("borderLeft") || 0) - parseInt(this.css("borderRight") || 0);
|
||||
};
|
||||
|
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/**
|
||||
* Returns the outer height value (including border) for the first matched element.
|
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* Cannot be used on document or window.
|
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*
|
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* @example $("#testdiv").outerHeight()
|
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* @result 1000
|
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*
|
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* @name outerHeight
|
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* @type Number
|
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* @cat Dimensions
|
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*/
|
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jQuery.fn.outerHeight = function() {
|
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return this.get(0) == window || this.get(0) == document ?
|
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this.height() :
|
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this.get(0).offsetHeight;
|
||||
};
|
||||
|
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/**
|
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* Returns the outer width value (including border) for the first matched element.
|
||||
* Cannot be used on document or window.
|
||||
*
|
||||
* @example $("#testdiv").outerWidth()
|
||||
* @result 1000
|
||||
*
|
||||
* @name outerWidth
|
||||
* @type Number
|
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* @cat Dimensions
|
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*/
|
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jQuery.fn.outerWidth = function() {
|
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return this.get(0) == window || this.get(0) == document ?
|
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this.width() :
|
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this.get(0).offsetWidth;
|
||||
};
|
||||
|
||||
/**
|
||||
* Returns how many pixels the user has scrolled to the right (scrollLeft).
|
||||
* Works on containers with overflow: auto and window/document.
|
||||
*
|
||||
* @example $("#testdiv").scrollLeft()
|
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* @result 100
|
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*
|
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* @name scrollLeft
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* @type Number
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* @cat Dimensions
|
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*/
|
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jQuery.fn.scrollLeft = function() {
|
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if ( this.get(0) == window || this.get(0) == document )
|
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return self.pageXOffset ||
|
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jQuery.boxModel && document.documentElement.scrollLeft ||
|
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document.body.scrollLeft;
|
||||
|
||||
return this.get(0).scrollLeft;
|
||||
};
|
||||
|
||||
/**
|
||||
* Returns how many pixels the user has scrolled to the bottom (scrollTop).
|
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* Works on containers with overflow: auto and window/document.
|
||||
*
|
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* @example $("#testdiv").scrollTop()
|
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* @result 100
|
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*
|
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* @name scrollTop
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* @type Number
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* @cat Dimensions
|
||||
*/
|
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jQuery.fn.scrollTop = function() {
|
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if ( this.get(0) == window || this.get(0) == document )
|
||||
return self.pageYOffset ||
|
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jQuery.boxModel && document.documentElement.scrollTop ||
|
||||
document.body.scrollTop;
|
||||
|
||||
return this.get(0).scrollTop;
|
||||
};
|
||||
|
||||
/**
|
||||
* This returns an object with top, left, width, height, borderLeft,
|
||||
* borderTop, marginLeft, marginTop, scrollLeft, scrollTop,
|
||||
* pageXOffset, pageYOffset.
|
||||
*
|
||||
* The top and left values include the scroll offsets but the
|
||||
* scrollLeft and scrollTop properties of the returned object
|
||||
* are the combined scroll offets of the parent elements
|
||||
* (not including the window scroll offsets). This is not the
|
||||
* same as the element's scrollTop and scrollLeft.
|
||||
*
|
||||
* For accurate readings make sure to use pixel values.
|
||||
*
|
||||
* @name offset
|
||||
* @type Object
|
||||
* @cat Dimensions
|
||||
* @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
|
||||
*/
|
||||
/**
|
||||
* This returns an object with top, left, width, height, borderLeft,
|
||||
* borderTop, marginLeft, marginTop, scrollLeft, scrollTop,
|
||||
* pageXOffset, pageYOffset.
|
||||
*
|
||||
* The top and left values include the scroll offsets but the
|
||||
* scrollLeft and scrollTop properties of the returned object
|
||||
* are the combined scroll offets of the parent elements
|
||||
* (not including the window scroll offsets). This is not the
|
||||
* same as the element's scrollTop and scrollLeft.
|
||||
*
|
||||
* For accurate readings make sure to use pixel values.
|
||||
*
|
||||
* @name offset
|
||||
* @type Object
|
||||
* @param String refElement This is an expression. The offset returned will be relative to the first matched element.
|
||||
* @cat Dimensions
|
||||
* @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
|
||||
*/
|
||||
/**
|
||||
* This returns an object with top, left, width, height, borderLeft,
|
||||
* borderTop, marginLeft, marginTop, scrollLeft, scrollTop,
|
||||
* pageXOffset, pageYOffset.
|
||||
*
|
||||
* The top and left values include the scroll offsets but the
|
||||
* scrollLeft and scrollTop properties of the returned object
|
||||
* are the combined scroll offets of the parent elements
|
||||
* (not including the window scroll offsets). This is not the
|
||||
* same as the element's scrollTop and scrollLeft.
|
||||
*
|
||||
* For accurate readings make sure to use pixel values.
|
||||
*
|
||||
* @name offset
|
||||
* @type Object
|
||||
* @param jQuery refElement The offset returned will be relative to the first matched element.
|
||||
* @cat Dimensions
|
||||
* @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
|
||||
*/
|
||||
/**
|
||||
* This returns an object with top, left, width, height, borderLeft,
|
||||
* borderTop, marginLeft, marginTop, scrollLeft, scrollTop,
|
||||
* pageXOffset, pageYOffset.
|
||||
*
|
||||
* The top and left values include the scroll offsets but the
|
||||
* scrollLeft and scrollTop properties of the returned object
|
||||
* are the combined scroll offets of the parent elements
|
||||
* (not including the window scroll offsets). This is not the
|
||||
* same as the element's scrollTop and scrollLeft.
|
||||
*
|
||||
* For accurate readings make sure to use pixel values.
|
||||
*
|
||||
* @name offset
|
||||
* @type Object
|
||||
* @param HTMLElement refElement The offset returned will be relative to this element.
|
||||
* @cat Dimensions
|
||||
* @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
|
||||
*/
|
||||
jQuery.fn.offset = function(refElem) {
|
||||
if (!this[0]) throw 'jQuery.fn.offset requires an element.';
|
||||
|
||||
refElem = (refElem) ? jQuery(refElem)[0] : null;
|
||||
var x = 0, y = 0, elem = this[0], parent = this[0], sl = 0, st = 0;
|
||||
do {
|
||||
if (parent.tagName == 'BODY' || parent.tagName == 'HTML') {
|
||||
// Safari and IE don't add margin for static and relative
|
||||
if ((jQuery.browser.safari || jQuery.browser.msie) && jQuery.css(parent, 'position') != 'absolute') {
|
||||
x += parseInt(jQuery.css(parent, 'marginLeft')) || 0;
|
||||
y += parseInt(jQuery.css(parent, 'marginTop')) || 0;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
x += parent.offsetLeft || 0;
|
||||
y += parent.offsetTop || 0;
|
||||
|
||||
// Mozilla and IE do not add the border
|
||||
if (jQuery.browser.mozilla || jQuery.browser.msie) {
|
||||
x += parseInt(jQuery.css(parent, 'borderLeftWidth')) || 0;
|
||||
y += parseInt(jQuery.css(parent, 'borderTopWidth')) || 0;
|
||||
}
|
||||
|
||||
// Need to get scroll offsets in-between offsetParents
|
||||
var op = parent.offsetParent;
|
||||
do {
|
||||
sl += parent.scrollLeft || 0;
|
||||
st += parent.scrollTop || 0;
|
||||
parent = parent.parentNode;
|
||||
} while (parent != op);
|
||||
} while (parent);
|
||||
|
||||
if (refElem) { // Get the relative offset
|
||||
var offset = jQuery(refElem).offset();
|
||||
x = x - offset.left;
|
||||
y = y - offset.top;
|
||||
sl = sl - offset.scrollLeft;
|
||||
st = st - offset.scrollTop;
|
||||
}
|
||||
|
||||
// Safari and Opera do not add the border for the element
|
||||
if (jQuery.browser.safari || jQuery.browser.opera) {
|
||||
x += parseInt(jQuery.css(elem, 'borderLeftWidth')) || 0;
|
||||
y += parseInt(jQuery.css(elem, 'borderTopWidth')) || 0;
|
||||
}
|
||||
|
||||
return {
|
||||
top: y - st,
|
||||
left: x - sl,
|
||||
width: elem.offsetWidth,
|
||||
height: elem.offsetHeight,
|
||||
borderTop: parseInt(jQuery.css(elem, 'borderTopWidth')) || 0,
|
||||
borderLeft: parseInt(jQuery.css(elem, 'borderLeftWidth')) || 0,
|
||||
marginTop: parseInt(jQuery.css(elem, 'marginTopWidth')) || 0,
|
||||
marginLeft: parseInt(jQuery.css(elem, 'marginLeftWidth')) || 0,
|
||||
scrollTop: st,
|
||||
scrollLeft: sl,
|
||||
pageYOffset: window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0,
|
||||
pageXOffset: window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0
|
||||
};
|
||||
};
|
||||
Loading…
Reference in New Issue
Block a user