mirror of
https://github.com/jquery/jquery.git
synced 2024-11-23 02:54:22 +00:00
Support: Reduce size via code consolidation and minification awareness
Ref badcd1b6f3
Closes gh-1518
This commit is contained in:
Richard Gibson
parent
f361f0378b
commit
b96522acfe
@ -3,10 +3,11 @@ define([
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], function( support ) {
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(function() {
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var a, input, select, opt,
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div = document.createElement("div" );
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// Minified: var a,b,c,d,e
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var input, div, select, a, opt;
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// Setup
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div = document.createElement( "div" );
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div.setAttribute( "className", "t" );
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div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
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a = div.getElementsByTagName("a")[ 0 ];
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@ -54,9 +55,6 @@ define([
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input.value = "t";
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input.setAttribute( "type", "radio" );
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support.radioValue = input.value === "t";
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// Null elements to avoid leaks in IE.
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a = input = select = opt = div = null;
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})();
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return support;
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@ -4,89 +4,40 @@ define([
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], function( jQuery, support ) {
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(function() {
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var a, reliableHiddenOffsetsVal, boxSizingVal, boxSizingReliableVal,
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pixelPositionVal,
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div = document.createElement( "div" ),
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containerStyles = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px",
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// Support: Firefox<29, Android 2.3 (Prefixed box-sizing versions).
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divReset =
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"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;" +
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"display:block;padding:0;margin:0;border:0";
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// Minified: var b,c,d,e,f,g, h,i
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var div, style, a, pixelPositionVal, boxSizingVal, boxSizingReliableVal,
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reliableHiddenOffsetsVal, reliableMarginRightVal;
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// Setup
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div = document.createElement( "div" );
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div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
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a = div.getElementsByTagName( "a" )[ 0 ];
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style = a && a.style;
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// Finish early in limited (non-browser) environments
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if ( !a || !a.style ) {
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if ( !style ) {
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return;
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}
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a.style.cssText = "float:left;opacity:.5";
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style.cssText = "float:left;opacity:.5";
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// Support: IE<9
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// Make sure that element opacity exists (as opposed to filter)
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support.opacity = a.style.opacity === "0.5";
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support.opacity = style.opacity === "0.5";
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// Verify style float existence
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// (IE uses styleFloat instead of cssFloat)
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support.cssFloat = !!a.style.cssFloat;
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support.cssFloat = !!style.cssFloat;
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div.style.backgroundClip = "content-box";
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div.cloneNode( true ).style.backgroundClip = "";
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support.clearCloneStyle = div.style.backgroundClip === "content-box";
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// Null elements to avoid leaks in IE.
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a = div = null;
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jQuery.extend(support, {
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reliableHiddenOffsets: function() {
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if ( reliableHiddenOffsetsVal != null ) {
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return reliableHiddenOffsetsVal;
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if ( reliableHiddenOffsetsVal == null ) {
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computeStyleTests();
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}
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var container, tds, isSupported,
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div = document.createElement( "div" ),
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body = document.getElementsByTagName( "body" )[ 0 ];
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if ( !body ) {
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// Return for frameset docs that don't have a body
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return;
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}
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// Setup
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div.setAttribute( "className", "t" );
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div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
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container = document.createElement( "div" );
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container.style.cssText = containerStyles;
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body.appendChild( container ).appendChild( div );
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// Support: IE8
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// Check if table cells still have offsetWidth/Height when they are set
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// to display:none and there are still other visible table cells in a
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// table row; if so, offsetWidth/Height are not reliable for use when
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// determining if an element has been hidden directly using
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// display:none (it is still safe to use offsets if a parent element is
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// hidden; don safety goggles and see bug #4512 for more information).
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div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
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tds = div.getElementsByTagName( "td" );
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tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
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isSupported = ( tds[ 0 ].offsetHeight === 0 );
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tds[ 0 ].style.display = "";
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tds[ 1 ].style.display = "none";
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// Support: IE8
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// Check if empty table cells still have offsetWidth/Height
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reliableHiddenOffsetsVal = isSupported && ( tds[ 0 ].offsetHeight === 0 );
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body.removeChild( container );
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// Null elements to avoid leaks in IE.
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div = body = null;
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return reliableHiddenOffsetsVal;
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},
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@ -113,65 +64,35 @@ define([
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// Support: Android 2.3
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reliableMarginRight: function() {
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var body, container, div, marginDiv,
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// Support: IE<9.
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// IE should pass the test but we're using getComputedStyle
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// to compute it so just return true if the method is not present.
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reliableMarginRightVal = true;
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// Use window.getComputedStyle because jsdom on node.js will break without it.
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if ( window.getComputedStyle ) {
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body = document.getElementsByTagName( "body" )[ 0 ];
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if ( !body ) {
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// Test fired too early or in an unsupported environment, exit.
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return;
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if ( reliableMarginRightVal == null ) {
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computeStyleTests();
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}
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container = document.createElement( "div" );
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div = document.createElement( "div" );
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container.style.cssText = containerStyles;
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body.appendChild( container ).appendChild( div );
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// Check if div with explicit width and no margin-right incorrectly
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// gets computed margin-right based on width of container. (#3333)
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// Fails in WebKit before Feb 2011 nightlies
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// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
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marginDiv = div.appendChild( document.createElement( "div" ) );
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marginDiv.style.cssText = div.style.cssText = divReset;
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marginDiv.style.marginRight = marginDiv.style.width = "0";
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div.style.width = "1px";
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reliableMarginRightVal =
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!parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
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body.removeChild( container );
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}
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return reliableMarginRightVal;
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}
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});
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function computeStyleTests() {
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var container, div,
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body = document.getElementsByTagName( "body" )[ 0 ];
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// Minified: var b,c,d,j
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var div, body, container, contents;
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if ( !body ) {
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body = document.getElementsByTagName( "body" )[ 0 ];
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if ( !body || !body.style ) {
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// Test fired too early or in an unsupported environment, exit.
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return;
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}
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container = document.createElement( "div" );
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// Setup
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div = document.createElement( "div" );
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container.style.cssText = containerStyles;
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container = document.createElement( "div" );
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container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
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body.appendChild( container ).appendChild( div );
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// Support: Firefox<29, Android 2.3 (Prefixed box-sizing versions).
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div.style.cssText =
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"-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;" +
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"position:absolute;display:block;padding:1px;border:1px;width:4px;" +
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"margin-top:1%;top:1%";
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// Support: Firefox<29, Android 2.3
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// Vendor-prefix box-sizing
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"-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" +
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"box-sizing:border-box;display:block;margin-top:1%;top:1%;" +
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"border:1px;padding:1px;width:4px;position:absolute";
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// Workaround failing boxSizing test due to offsetWidth returning wrong value
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// with some non-1 values of body zoom, ticket #13543
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@ -179,21 +100,55 @@ define([
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boxSizingVal = div.offsetWidth === 4;
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});
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// Will be changed later if needed.
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boxSizingReliableVal = true;
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// Support: IE<9
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// Assume reasonable values in the absence of getComputedStyle
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pixelPositionVal = false;
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reliableMarginRightVal = boxSizingReliableVal = true;
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// Use window.getComputedStyle because jsdom on node.js will break without it.
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// Support: node.js jsdom
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// Don't assume that getComputedStyle is a property of the global object
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if ( window.getComputedStyle ) {
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pixelPositionVal = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
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boxSizingReliableVal =
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( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
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// Support: Android 2.3
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// Div with explicit width and no margin-right incorrectly
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// gets computed margin-right based on width of container (#3333)
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// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
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contents = div.appendChild( document.createElement( "div" ) );
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// Reset CSS: box-sizing; display; margin; border; padding
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contents.style.cssText = div.style.cssText =
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// Support: Firefox<29, Android 2.3
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// Vendor-prefix box-sizing
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"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
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"box-sizing:content-box;display:block;margin:0;border:0;padding:0";
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contents.style.marginRight = contents.style.width = "0";
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div.style.width = "1px";
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reliableMarginRightVal =
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!parseFloat( ( window.getComputedStyle( contents, null ) || {} ).marginRight );
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}
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// Support: IE8
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// Check if table cells still have offsetWidth/Height when they are set
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// to display:none and there are still other visible table cells in a
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// table row; if so, offsetWidth/Height are not reliable for use when
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// determining if an element has been hidden directly using
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// display:none (it is still safe to use offsets if a parent element is
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// hidden; don safety goggles and see bug #4512 for more information).
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div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
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contents = div.getElementsByTagName( "td" );
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contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none";
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reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
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if ( reliableHiddenOffsetsVal ) {
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contents[ 0 ].style.display = "";
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contents[ 1 ].style.display = "none";
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reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
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}
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body.removeChild( container );
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// Null elements to avoid leaks in IE.
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div = body = null;
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}
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})();
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@ -4,73 +4,47 @@ define([
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], function( strundefined, support ) {
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(function() {
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var a, shrinkWrapBlocksVal,
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div = document.createElement( "div" ),
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// Support: Firefox<29, Android 2.3 (Prefixed box-sizing versions).
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divReset =
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"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;" +
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"display:block;padding:0;margin:0;border:0";
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// Setup
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div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
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a = div.getElementsByTagName( "a" )[ 0 ];
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// Finish early in limited (non-browser) environments
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if ( !a || !a.style ) {
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return;
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}
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a.style.cssText = "float:left;opacity:.5";
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// Support: IE<9
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// Make sure that element opacity exists (as opposed to filter)
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support.opacity = a.style.opacity === "0.5";
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// Verify style float existence
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// (IE uses styleFloat instead of cssFloat)
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support.cssFloat = !!a.style.cssFloat;
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div.style.backgroundClip = "content-box";
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div.cloneNode( true ).style.backgroundClip = "";
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support.clearCloneStyle = div.style.backgroundClip === "content-box";
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// Null elements to avoid leaks in IE.
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a = div = null;
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var shrinkWrapBlocksVal;
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support.shrinkWrapBlocks = function() {
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var body, container, div, containerStyles;
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if ( shrinkWrapBlocksVal == null ) {
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body = document.getElementsByTagName( "body" )[ 0 ];
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if ( !body ) {
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// Test fired too early or in an unsupported environment, exit.
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return;
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if ( shrinkWrapBlocksVal != null ) {
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return shrinkWrapBlocksVal;
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}
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containerStyles = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px";
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container = document.createElement( "div" );
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div = document.createElement( "div" );
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body.appendChild( container ).appendChild( div );
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// Will be changed later if needed.
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shrinkWrapBlocksVal = false;
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if ( typeof div.style.zoom !== strundefined ) {
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// Minified: var b,c,d
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var div, body, container;
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body = document.getElementsByTagName( "body" )[ 0 ];
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if ( !body || !body.style ) {
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// Test fired too early or in an unsupported environment, exit.
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return;
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}
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// Setup
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div = document.createElement( "div" );
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container = document.createElement( "div" );
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container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
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body.appendChild( container ).appendChild( div );
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// Support: IE6
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// Check if elements with layout shrink-wrap their children
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div.style.cssText = divReset + ";width:1px;padding:1px;zoom:1";
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div.innerHTML = "<div></div>";
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div.firstChild.style.width = "5px";
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if ( typeof div.style.zoom !== strundefined ) {
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// Reset CSS: box-sizing; display; margin; border
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div.style.cssText =
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// Support: Firefox<29, Android 2.3
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// Vendor-prefix box-sizing
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"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
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"box-sizing:content-box;display:block;margin:0;border:0;" +
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"padding:1px;width:1px;zoom:1";
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div.appendChild( document.createElement( "div" ) ).style.width = "5px";
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shrinkWrapBlocksVal = div.offsetWidth !== 3;
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}
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body.removeChild( container );
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// Null elements to avoid leaks in IE.
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body = container = div = null;
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}
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return shrinkWrapBlocksVal;
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};
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@ -3,13 +3,13 @@ define([
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], function( support ) {
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(function() {
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var fragment = document.createDocumentFragment(),
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// Minified: var a,b,c
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var input = document.createElement( "input" ),
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div = document.createElement( "div" ),
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input = document.createElement("input");
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fragment = document.createDocumentFragment();
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// Setup
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div.setAttribute( "className", "t" );
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div.innerHTML = " <link/><table></table><a href='/a'>a</a>";
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div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
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// IE strips leading whitespace when .innerHTML is used
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support.leadingWhitespace = div.firstChild.nodeType === 3;
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@ -69,9 +69,6 @@ define([
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support.deleteExpando = false;
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}
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}
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// Null elements to avoid leaks in IE.
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fragment = div = input = null;
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})();
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return support;
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@ -19,23 +19,21 @@ support.ownLast = i !== "0";
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// false until the test is run
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support.inlineBlockNeedsLayout = false;
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|
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// Execute ASAP in case we need to set body.style.zoom
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jQuery(function() {
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// We need to execute this one support test ASAP because we need to know
|
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// if body.style.zoom needs to be set.
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// Minified: var a,b,c,d
|
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var val, div, body, container;
|
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|
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var container, div,
|
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body = document.getElementsByTagName( "body" )[ 0 ];
|
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|
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if ( !body ) {
|
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if ( !body || !body.style ) {
|
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// Return for frameset docs that don't have a body
|
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return;
|
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}
|
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|
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// Setup
|
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container = document.createElement( "div" );
|
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container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
|
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|
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div = document.createElement( "div" );
|
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container = document.createElement( "div" );
|
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container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
|
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body.appendChild( container ).appendChild( div );
|
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if ( typeof div.style.zoom !== strundefined ) {
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@ -43,9 +41,10 @@ jQuery(function() {
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// Check if natively block-level elements act like inline-block
|
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// elements when setting their display to 'inline' and giving
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// them layout
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div.style.cssText = "border:0;margin:0;width:1px;padding:1px;display:inline;zoom:1";
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div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1";
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if ( (support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 )) ) {
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support.inlineBlockNeedsLayout = val = div.offsetWidth === 3;
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if ( val ) {
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// Prevent IE 6 from affecting layout for positioned elements #11048
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// Prevent IE from shrinking the body in IE 7 mode #12869
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// Support: IE<8
|
||||
@ -54,9 +53,6 @@ jQuery(function() {
|
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}
|
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|
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body.removeChild( container );
|
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|
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// Null elements to avoid leaks in IE
|
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container = div = null;
|
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});
|
||||
|
||||
});
|
||||
|
||||
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Reference in New Issue
Block a user