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fix memory leak in IE
author
Brandon Aaron
<brandon.aaron@gmail.com>
Mon, 4 May 2009 00:05:04 +0000
(
00:05
+0000)
committer
Brandon Aaron
<brandon.aaron@gmail.com>
Mon, 4 May 2009 00:05:04 +0000
(
00:05
+0000)
src/selector.js
patch
|
blob
|
history
diff --git
a/src/selector.js
b/src/selector.js
index
fcab67f
..
32f48c4
100644
(file)
--- a/
src/selector.js
+++ b/
src/selector.js
@@
-8,7
+8,8
@@
var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?/g,
done = 0,
var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?/g,
done = 0,
- toString = Object.prototype.toString;
+ toString = Object.prototype.toString,
+ hasDuplicate = false;
var Sizzle = function(selector, context, results, seed) {
results = results || [];
var Sizzle = function(selector, context, results, seed) {
results = results || [];
@@
-17,19
+18,19
@@
var Sizzle = function(selector, context, results, seed) {
if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
return [];
}
if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
return [];
}
-
+
if ( !selector || typeof selector !== "string" ) {
return results;
}
var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context);
if ( !selector || typeof selector !== "string" ) {
return results;
}
var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context);
-
+
// Reset the position of the chunker regexp (start from head)
chunker.lastIndex = 0;
// Reset the position of the chunker regexp (start from head)
chunker.lastIndex = 0;
-
+
while ( (m = chunker.exec(selector)) !== null ) {
parts.push( m[1] );
while ( (m = chunker.exec(selector)) !== null ) {
parts.push( m[1] );
-
+
if ( m[2] ) {
extra = RegExp.rightContext;
break;
if ( m[2] ) {
extra = RegExp.rightContext;
break;
@@
-158,7
+159,7
@@
Sizzle.find = function(expr, context, isXML){
for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
var type = Expr.order[i], match;
for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
var type = Expr.order[i], match;
-
+
if ( (match = Expr.match[ type ].exec( expr )) ) {
var left = RegExp.leftContext;
if ( (match = Expr.match[ type ].exec( expr )) ) {
var left = RegExp.leftContext;
@@
-420,7
+421,7
@@
var Expr = Sizzle.selectors = {
},
ATTR: function(match, curLoop, inplace, result, not, isXML){
var name = match[1].replace(/\\/g, "");
},
ATTR: function(match, curLoop, inplace, result, not, isXML){
var name = match[1].replace(/\\/g, "");
-
+
if ( !isXML && Expr.attrMap[name] ) {
match[1] = Expr.attrMap[name];
}
if ( !isXML && Expr.attrMap[name] ) {
match[1] = Expr.attrMap[name];
}
@@
-446,7
+447,7
@@
var Expr = Sizzle.selectors = {
} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
return true;
}
} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
return true;
}
-
+
return match;
},
POS: function(match){
return match;
},
POS: function(match){
@@
-580,20
+581,20
@@
var Expr = Sizzle.selectors = {
if ( first == 1 && last == 0 ) {
return true;
}
if ( first == 1 && last == 0 ) {
return true;
}
-
+
var doneName = match[0],
parent = elem.parentNode;
var doneName = match[0],
parent = elem.parentNode;
-
+
if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
var count = 0;
for ( node = parent.firstChild; node; node = node.nextSibling ) {
if ( node.nodeType === 1 ) {
node.nodeIndex = ++count;
}
if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
var count = 0;
for ( node = parent.firstChild; node; node = node.nextSibling ) {
if ( node.nodeType === 1 ) {
node.nodeIndex = ++count;
}
- }
+ }
parent.sizcache = doneName;
}
parent.sizcache = doneName;
}
-
+
var diff = elem.nodeIndex - last;
if ( first == 0 ) {
return diff == 0;
var diff = elem.nodeIndex - last;
if ( first == 0 ) {
return diff == 0;
@@
-666,7
+667,7
@@
var makeArray = function(array, results) {
results.push.apply( results, array );
return results;
}
results.push.apply( results, array );
return results;
}
-
+
return array;
};
return array;
};
@@
-760,6
+761,7
@@
if ( document.documentElement.compareDocumentPosition ) {
}
root.removeChild( form );
}
root.removeChild( form );
+ root = form = null; // release memory in IE
})();
(function(){
})();
(function(){
@@
-800,6
+802,8
@@
if ( document.documentElement.compareDocumentPosition ) {
return elem.getAttribute("href", 2);
};
}
return elem.getAttribute("href", 2);
};
}
+
+ div = null; // release memory in IE
})();
if ( document.querySelectorAll ) (function(){
})();
if ( document.querySelectorAll ) (function(){
@@
-811,7
+815,7
@@
if ( document.querySelectorAll ) (function(){
if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
return;
}
if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
return;
}
-
+
Sizzle = function(query, context, extra, seed){
context = context || document;
Sizzle = function(query, context, extra, seed){
context = context || document;
@@
-822,13
+826,15
@@
if ( document.querySelectorAll ) (function(){
return makeArray( context.querySelectorAll(query), extra );
} catch(e){}
}
return makeArray( context.querySelectorAll(query), extra );
} catch(e){}
}
-
+
return oldSizzle(query, context, extra, seed);
};
for ( var prop in oldSizzle ) {
Sizzle[ prop ] = oldSizzle[ prop ];
}
return oldSizzle(query, context, extra, seed);
};
for ( var prop in oldSizzle ) {
Sizzle[ prop ] = oldSizzle[ prop ];
}
+
+ div = null; // release memory in IE
})();
if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
})();
if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
@@
-851,6
+857,8
@@
if ( document.getElementsByClassName && document.documentElement.getElementsByCl
return context.getElementsByClassName(match[1]);
}
};
return context.getElementsByClassName(match[1]);
}
};
+
+ div = null; // release memory in IE
})();
function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
})();
function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
@@
-969,7
+977,7
@@
jQuery.expr = Sizzle.selectors;
jQuery.expr[":"] = jQuery.expr.filters;
Sizzle.selectors.filters.hidden = function(elem){
jQuery.expr[":"] = jQuery.expr.filters;
Sizzle.selectors.filters.hidden = function(elem){
- return elem.offsetWidth === 0 && elem.offsetHeight === 0;
+ return elem.offsetWidth === 0 || elem.offsetHeight === 0;
};
Sizzle.selectors.filters.visible = function(elem){
};
Sizzle.selectors.filters.visible = function(elem){