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Use the native Array indexOf method if it exists, for jQuery.inArray.

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This commit is contained in:
John Resig 2009-09-08 01:45:11 +00:00
parent 96dd06ea50
commit 1e750a00e9
1 changed files with 8 additions and 1 deletions
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9
src/core.js
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@ -40,7 +40,8 @@ var jQuery = function( selector, context ) {
// Save a reference to some core methods // Save a reference to some core methods
toString = Object.prototype.toString, toString = Object.prototype.toString,
push = Array.prototype.push, push = Array.prototype.push,
slice = Array.prototype.slice; slice = Array.prototype.slice,
indexOf = Array.prototype.indexOf;
jQuery.fn = jQuery.prototype = { jQuery.fn = jQuery.prototype = {
init: function( selector, context ) { init: function( selector, context ) {
@ -522,6 +523,12 @@ jQuery.extend({
} }
}); });
if ( indexOf ) {
jQuery.inArray = function( elem, array ) {
return indexOf.call( array, elem );
};
}
// All jQuery objects should point back to these // All jQuery objects should point back to these
rootjQuery = jQuery(document); rootjQuery = jQuery(document);