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Fixes #8203. Remove some misguided nulling of elements done in the name of IE memory cleanup. Based on a patch by davidmurdoch in pull 226.

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This commit is contained in:
Dave Methvin 2011-03-30 21:21:49 -04:00
parent 8cdafe7704
commit ad4152709c
2 changed files with 3 additions and 8 deletions
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1
src/offset.js
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@ -151,7 +151,6 @@ jQuery.offset = {
this.doesNotIncludeMarginInBodyOffset = (body.offsetTop !== bodyMarginTop); this.doesNotIncludeMarginInBodyOffset = (body.offsetTop !== bodyMarginTop);
body.removeChild( container ); body.removeChild( container );
body = container = innerDiv = checkDiv = table = td = null;
jQuery.offset.initialize = jQuery.noop; jQuery.offset.initialize = jQuery.noop;
}, },

10
src/support.js
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@ -86,15 +86,15 @@
script = document.createElement("script"), script = document.createElement("script"),
id = "script" + jQuery.now(); id = "script" + jQuery.now();
// Make sure that the execution of code works by injecting a script
// tag with appendChild/createTextNode
// (IE doesn't support this, fails, and uses .text instead)
try { try {
script.appendChild( document.createTextNode( "window." + id + "=1;" ) ); script.appendChild( document.createTextNode( "window." + id + "=1;" ) );
} catch(e) {} } catch(e) {}
root.insertBefore( script, root.firstChild ); root.insertBefore( script, root.firstChild );
// Make sure that the execution of code works by injecting a script
// tag with appendChild/createTextNode
// (IE doesn't support this, fails, and uses .text instead)
if ( window[ id ] ) { if ( window[ id ] ) {
_scriptEval = true; _scriptEval = true;
delete window[ id ]; delete window[ id ];
@ -103,8 +103,6 @@
} }
root.removeChild( script ); root.removeChild( script );
// release memory in IE
root = script = id = null;
} }
return _scriptEval; return _scriptEval;
@ -223,8 +221,6 @@
el.setAttribute(eventName, "return;"); el.setAttribute(eventName, "return;");
isSupported = typeof el[eventName] === "function"; isSupported = typeof el[eventName] === "function";
} }
el = null;
return isSupported; return isSupported;
}; };