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Landing pull request 562. Make sure runtimeStyle isn't affected by di…

…mensions. Fixes #9233.

More Details:
 - #562
 - http://bugs.jquery.com/ticket/9233
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mikesherov authored and timmywil committed Oct 28, 2011
1 parent 5c0c863 commit fa0e801f52cdc97832ef0b696caa1eda33fc6b36
Showing with 26 additions and 2 deletions.
  1. +3 −2 src/css.js
  2. +23 −0 test/unit/dimensions.js
@@ -285,9 +285,8 @@ if ( document.defaultView && document.defaultView.getComputedStyle ) {

if ( document.documentElement.currentStyle ) {
currentStyle = function( elem, name ) {
var left,
var left, rsLeft,
ret = elem.currentStyle && elem.currentStyle[ name ],
rsLeft = elem.runtimeStyle && elem.runtimeStyle[ name ],
style = elem.style;

if ( ret === null && style ) {
@@ -300,8 +299,10 @@ if ( document.documentElement.currentStyle ) {
// If we're not dealing with a regular pixel number
// but a number that has a weird ending, we need to convert it to pixels
if ( !rnumpx.test( ret ) && rnum.test( ret ) ) {

// Remember the original values
left = style.left;
rsLeft = elem.runtimeStyle && elem.runtimeStyle.left;

// Put in the new values to get a computed value out
if ( rsLeft ) {
@@ -245,6 +245,29 @@ test("child of a hidden elem has accurate inner/outer/Width()/Height() see #944
$divNormal.remove();
});

test("getting dimensions shouldnt modify runtimeStyle see #9233", function() {
expect( 1 );

var $div = jQuery( "<div>" ).appendTo( "#qunit-fixture" ),
div = $div.get( 0 ),
runtimeStyle = div.runtimeStyle;

if ( runtimeStyle ) {
div.runtimeStyle.marginLeft = "12em";
div.runtimeStyle.left = "11em";
}

$div.outerWidth( true );

if ( runtimeStyle ) {
equal( div.runtimeStyle.left, "11em", "getting dimensions modifies runtimeStyle, see #9233" );
} else {
ok( true, "this browser doesnt support runtimeStyle, see #9233" );
}

$div.remove();
});

test("outerHeight()", function() {
expect(11);

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