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Make a feature detect for the attribute selected code. Fixes #5702.

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This commit is contained in:
jeresig 2009-12-22 15:46:54 -05:00
parent 7b0b348419
commit a00e63ea5a
2 changed files with 15 additions and 8 deletions
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15
src/attributes.js
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@ -261,16 +261,19 @@ jQuery.extend({
// Only do all the following if this is a node (faster for style) // Only do all the following if this is a node (faster for style)
if ( elem.nodeType === 1 ) { if ( elem.nodeType === 1 ) {
// These attributes require special treatment // These attributes require special treatment
var special = rspecialurl.test( name ), parent = elem.parentNode; var special = rspecialurl.test( name );
// Safari mis-reports the default selected property of an option // Safari mis-reports the default selected property of an option
// Accessing the parent's selectedIndex property fixes it // Accessing the parent's selectedIndex property fixes it
if ( name === "selected" && parent ) { if ( name === "selected" && !jQuery.support.optSelected ) {
parent.selectedIndex; var parent = elem.parentNode;
if ( parent ) {
parent.selectedIndex;
// Make sure that it also works with optgroups, see #5701 // Make sure that it also works with optgroups, see #5701
if ( parent.parentNode ) { if ( parent.parentNode ) {
parent.parentNode.selectedIndex; parent.parentNode.selectedIndex;
}
} }
} }

6
src/support.js
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@ -8,7 +8,7 @@
id = "script" + now(); id = "script" + now();
div.style.display = "none"; div.style.display = "none";
div.innerHTML = " <link/><table></table><a href='/a' style='color:red;float:left;opacity:.55;'>a</a><select><option>text</option></select><input type='checkbox'/>"; div.innerHTML = " <link/><table></table><a href='/a' style='color:red;float:left;opacity:.55;'>a</a><input type='checkbox'/>";
var all = div.getElementsByTagName("*"), var all = div.getElementsByTagName("*"),
a = div.getElementsByTagName("a")[0]; a = div.getElementsByTagName("a")[0];
@ -52,6 +52,10 @@
// (WebKit defaults to "" instead) // (WebKit defaults to "" instead)
checkOn: div.getElementsByTagName("input")[0].value === "on", checkOn: div.getElementsByTagName("input")[0].value === "on",
// Make sure that a selected-by-default option has a working selected property.
// (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
optSelected: document.createElement("select").appendChild( document.createElement("option") ).selected,
// Will be defined later // Will be defined later
scriptEval: false, scriptEval: false,
noCloneEvent: true, noCloneEvent: true,