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Split out the fragment-building code from domManip. Switched core.js to using that instead. Also moved the standalone tag detection to $(...) for performance.

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This commit is contained in:
John Resig 2009-09-07 18:58:01 +00:00
parent b7d4e0e46c
commit 9d8d74569c
3 changed files with 58 additions and 42 deletions
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19
src/core.js
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@ -31,6 +31,9 @@ var jQuery = function( selector, context ) {
// Used for trimming whitespace
rtrim = /^\s+|\s+$/g,
// Match a standalone tag
rsingleTag = /^<(\w+)\s*\/?>$/,
// Keep a UserAgent string for use with jQuery.browser
userAgent = navigator.userAgent.toLowerCase(),
@ -41,7 +44,7 @@ var jQuery = function( selector, context ) {
jQuery.fn = jQuery.prototype = {
init: function( selector, context ) {
var match, elem, ret;
var match, elem, ret, doc;
// Handle $(""), $(null), or $(undefined)
if ( !selector ) {
@ -70,7 +73,19 @@ jQuery.fn = jQuery.prototype = {
// HANDLE: $(html) -> $(array)
if ( match[1] ) {
selector = jQuery.clean( [ match[1] ], context );
doc = (context ? context.ownerDocument || context : document);
// If a single string is passed in and it's a single tag
// just do a createElement and skip the rest
ret = rsingleTag.exec( selector );
if ( ret ) {
selector = [ doc.createElement( ret[1] ) ];
} else {
ret = buildFragment( [ match[1] ], [ doc ] );
selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes;
}
// HANDLE: $("#id")
} else {