AyaWo.Web/Content/zui/dist/lib/array/zui.array.js

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/*!
 * ZUI: 数组辅助方法 - v1.7.0 - 2017-06-17
 * http://zui.sexy
 * GitHub: https://github.com/easysoft/zui.git 
 * Copyright (c) 2017 cnezsoft.com; Licensed MIT
 */

/* ========================================================================
 * ZUI: array.js
 * Array Polyfill.
 * http://zui.sexy
 * ========================================================================
 * Copyright (c) 2014-2016 cnezsoft.com; Licensed MIT
 * ======================================================================== */

// Some polyfills copy from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array

(function() {
    'use strict';

    var STR_FUNCTION = 'function';

    /**
     *  Calls a function for each element in the array.
     */
    if(!Array.prototype.forEach) {
        Array.prototype.forEach = function(fun /*, thisp*/ ) {
            var len = this.length;
            if(typeof fun != STR_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);
                }
            }
        };
    }

    /**
     * Judge an object is an real array
     */
    if(!Array.isArray) {
        Array.isArray = function(obj) {
            return Object.toString.call(obj) === '[object Array]';
        };
    }

    /**
     * Returns the last (greatest) index of an element within the array equal to the specified value, or -1 if none is found.
     */
    if(!Array.prototype.lastIndexOf) {
        Array.prototype.lastIndexOf = function(elt /*, from*/ ) {
            var len = this.length;

            var from = Number(arguments[1]);
            if(isNaN(from)) {
                from = len - 1;
            } else {