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29 lines
653 B
JavaScript
29 lines
653 B
JavaScript
/**
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* Socket.IO client
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*
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* @author Guillermo Rauch <guillermo@learnboost.com>
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* @license The MIT license.
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* @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
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*/
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io.util = {
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inherit: function(ctor, superCtor){
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// no support for `instanceof` for now
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for (var i in superCtor.prototype){
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ctor.prototype[i] = superCtor.prototype[i];
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}
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},
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indexOf: function(arr, item, from){
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for (var l = arr.length, i = (from < 0) ? Math.max(0, l + from) : from || 0; i < l; i++){
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if (arr[i] === item) return i;
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}
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return -1;
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},
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isArray: function(obj){
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return Object.prototype.toString.call(obj) === '[object Array]';
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}
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}; |