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Offset: return zeros for disconnected/hidden elements

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Fixes gh-2310
Close gh-2396
This commit is contained in:
Timmy Willison 2015-06-15 11:02:08 -04:00
parent ee69e9c8b8
commit 63f19a95b9
2 changed files with 12 additions and 15 deletions
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5
src/offset.js
View File

@ -39,7 +39,7 @@ jQuery.offset = {
elem.style.position = "relative";
}
curOffset = curElem.offset() || { top: 0, left: 0 };
curOffset = curElem.offset();
curCSSTop = jQuery.css( elem, "top" );
curCSSLeft = jQuery.css( elem, "left" );
calculatePosition = ( position === "absolute" || position === "fixed" ) &&
@ -110,6 +110,9 @@ jQuery.fn.extend({
( docElem.clientLeft || 0 )
};
}
// Return zeros for disconnected and hidden elements (gh-2310)
return rect;
},
position: function() {

22
test/unit/offset.js
View File

@ -49,30 +49,24 @@ test("empty set", function() {
});
test("disconnected element", function() {
expect(1);
expect( 2 );
var result;
var result = jQuery( document.createElement( "div" ) ).offset();
try {
result = jQuery( document.createElement("div") ).offset();
} catch ( e ) {}
ok( !result, "no position for disconnected element" );
equal( result.top, 0, "Retrieving offset on disconnected elements returns zeros (gh-2310)" );
equal( result.left, 0, "Retrieving offset on disconnected elements returns zeros (gh-2310)" );
});
test("hidden (display: none) element", function() {
expect(1);
expect( 2 );
var result,
node = jQuery("<div style='display: none' />").appendTo("#qunit-fixture");
try {
var node = jQuery("<div style='display: none' />").appendTo("#qunit-fixture"),
result = node.offset();
} catch ( e ) {}
node.remove();
ok( !result, "no position for hidden (display: none) element" );
equal( result.top, 0, "Retrieving offset on hidden elements returns zeros (gh-2310)" );
equal( result.left, 0, "Retrieving offset on hidden elements returns zeros (gh-2310)" );
});
testIframe("offset/absolute", "absolute", function($, iframe) {