Here you can find the source of forEach(fun /*, thisp*/)
/*//from www.j a va 2 s .c om * Copyright 2010 Jive Software * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * Invokes `fun` on each element of the array in turn. * * The first argument given to `fun` is a single array element and the second * argument is the index of that element in the array. * * This definition is compatible with the JavaScript 1.6 definition for * `Array#forEach` in Spidermonkey. * * This implementation comes from: * https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/forEach * * @function * @param {Function} fun function that will be applied to each array * element * @param {Object} [thisp] context in which `fun` will be invoked - `this` * in `fun` will refer to `thisp` */ Array.prototype.forEach = Array.prototype.forEach || function(fun /*, thisp*/) { var len = this.length >>> 0; if (typeof fun != "function") { throw new TypeError(); } var thisp = arguments[1]; for (var i = 0; i < len; i++) { if (i in this) { fun.call(thisp, this[i], i, this); } } };
Array.prototype.forEach=function(fn){ var arr=this; var length=this.length; for(var i=0;i<length;i++){ fn(arr[i],i,arr);
Array.prototype.forEach = function(fn) for (var i=0;i<this.length;i++) fn(this[i]);
Array.prototype.forEach = function(fn, context) { if (typeof fn != "function") { throw new TypeError(fn + " is not a function"); if (typeof context === 'undefined') { context = this; for (var i = 0, l = this.length; i < l; ++i) { fn.call(context, this[i], i, this); ...
Array.prototype.forEach = Array.prototype.forEach || function(fun ) { "use strict"; if (this === void 0 || this === null) throw new TypeError(); var t = Object(this); var len = t.length >>> 0; if (typeof fun !== "function") throw new TypeError(); var thisp = arguments[1]; for (var i = 0; i < len; i++) { if (i in t) fun.call(thisp, t[i], i, t); ...
Array.prototype.forEach = function(fun ) var len = this.length; if (typeof fun != "function") throw new TypeError(); var thisp = arguments[1]; for (var i = 0; i < len; i++) if (i in this) ...
Array.prototype.forEach = function(fun, thisp) { "use strict"; if (this === void 0 || this === null) { throw new TypeError(); var t = Object(this); var len = t.length >>> 0; if (typeof fun !== "function") { throw new TypeError(); ...
Array.prototype.forEach = function(func) for(var i = 0, l = this.length; i < l; i ++) func(this[i]); };
Array.prototype.forEach = function (func) { var length = this.length; for (var i = 0; i < length; i++) { func(this[i]);
Array.prototype.forEach = Array.prototype.forEach || (Array.prototype.forEach = function(func, thisObj) { for (var i=0, l=this.length; i<l; ++i) { func.call(thisObj, this[i], i, this); }; });