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Added caching to domManip. Fixes #4883.

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This commit is contained in:
John Resig 2009-07-11 13:49:46 +00:00
parent fd2a2fed84
commit 8db967e9d5
1 changed files with 42 additions and 9 deletions
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51
src/manipulation.js
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@ -137,24 +137,55 @@ jQuery.fn.extend({
},
domManip: function( args, table, callback ) {
var fragment, scripts, cacheable, cached, cacheresults, first;
if ( this[0] ) {
var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(),
scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ),
first = fragment.firstChild;
if ( args.length === 1 && typeof args[0] === "string" ) {
cacheable = true;
cacheresults = jQuery.fragments[ args[0] ];
if ( cacheresults ) {
if ( cacheresults !== 1 ) {
fragment = cacheresults;
}
cached = true;
}
}
if ( !fragment ) {
fragment = (this[0].ownerDocument || this[0]).createDocumentFragment();
scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment );
}
if ( first )
for ( var i = 0, l = this.length; i < l; i++ )
callback.call( root(this[i], first), this.length > 1 || i > 0 ?
fragment.cloneNode(true) : fragment );
first = fragment.firstChild;
if ( scripts )
if ( first ) {
table = table && jQuery.nodeName( first, "tr" );
for ( var i = 0, l = this.length; i < l; i++ ) {
callback.call(
table ?
root(this[i], first) :
this[i],
cacheable || this.length > 1 || i > 0 ?
fragment.cloneNode(true) :
fragment
);
}
}
if ( scripts ) {
jQuery.each( scripts, evalScript );
}
if ( cacheable ) {
jQuery.fragments[ args[0] ] = cacheresults ? fragment : 1;
}
}
return this;
function root( elem, cur ) {
return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ?
return jQuery.nodeName(elem, "table") ?
(elem.getElementsByTagName("tbody")[0] ||
elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
elem;
@ -162,6 +193,8 @@ jQuery.fn.extend({
}
});
jQuery.fragments = {};
jQuery.each({
appendTo: "append",
prependTo: "prepend",