From: John Resig Date: Sun, 19 Jul 2009 19:50:45 +0000 (+0000) Subject: Saved some references to native methods, instead of re-referencing them on every... X-Git-Url: http://git.asbjorn.biz/?p=jquery.git;a=commitdiff_plain;h=b953c1d50a2c9a169b7fc47e78c2b8b0acb8a93d Saved some references to native methods, instead of re-referencing them on every call. --- diff --git a/src/core.js b/src/core.js index 18ecf21..88c0437 100644 --- a/src/core.js +++ b/src/core.js @@ -34,8 +34,10 @@ var jQuery = function( selector, context ) { // Keep a UserAgent string for use with jQuery.browser userAgent = navigator.userAgent.toLowerCase(), - // Save a reference to the core toString method - toString = Object.prototype.toString; + // Save a reference to some core methods + toString = Object.prototype.toString, + push = Array.prototype.push, + slice = Array.prototype.slice; // Expose jQuery to the global object window.jQuery = window.$ = jQuery; @@ -126,7 +128,7 @@ jQuery.fn = jQuery.prototype = { return this.length; }, - toArray: Array.prototype.slice, + toArray: slice, // Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array @@ -168,7 +170,7 @@ jQuery.fn = jQuery.prototype = { // Resetting the length to 0, then using the native Array push // is a super-fast way to populate an object with array-like properties this.length = 0; - Array.prototype.push.apply( this, elems ); + push.apply( this, elems ); return this; }, @@ -201,7 +203,7 @@ jQuery.fn = jQuery.prototype = { // For internal use only. // Behaves like an Array's method, not like a jQuery method. - push: [].push, + push: push, sort: [].sort, splice: [].splice };