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kflorence/isArrayLike.js

Created April 29, 2011 00:24
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isArrayLike
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isArrayLike.js
(function( jQuery ) {
// Determines if we can treat an object like an array.
var isArrayLike = function( obj ) {
var length;
// Supports arrays, jQuery objects, nodeLists and HTMLCollections
// Should also support function arguments, but there is no cross-browser way...
return obj && ( obj instanceof jQuery || ( typeof obj === "object" &&
!jQuery.isWindow( obj ) && ( typeof ( length = obj.length ) === "number" &&
( obj.item && ( obj.namedItem || jQuery.isFunction( obj.item ) ) ) ) || jQuery.isArray( obj ) ) );
};
})( jQuery );
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http://jsfiddle.net/kflorence/JUxZA/

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