430 lines
14 KiB
JavaScript
430 lines
14 KiB
JavaScript
'use strict';
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(function(window) {
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var canDefineProperty = !!Object.defineProperty && (function() {
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try {
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Object.defineProperty({}, 'a', {});
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return true;
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} catch (e) {} // IE 8
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}()),
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chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',
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log;
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Ox.polyfill = {};
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/*@
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Ox.polyfill.atob <f> see https://developer.mozilla.org/en/DOM/window.atob
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> Ox.polyfill.atob('Cg==')
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'\n'
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> Ox.polyfill.atob('Zm9v')
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'foo'
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@*/
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Ox.polyfill.atob = function(string) {
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var binary = '', ret = '';
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String(string).replace(/=/g, '').split('').forEach(function(char) {
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binary += Ox.pad(chars.indexOf(char).toString(2), 'left', 6, '0');
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});
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while (binary.length >= 8) {
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ret += Ox.char(parseInt(binary.slice(0, 8), 2));
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binary = binary.slice(8);
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}
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return ret;
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};
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/*@
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Ox.polyfill.btoa <f> see https://developer.mozilla.org/en/DOM/window.btoa
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> Ox.polyfill.btoa('\n')
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'Cg=='
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> Ox.polyfill.btoa('foo')
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'Zm9v'
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@*/
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Ox.polyfill.btoa = function(string) {
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var binary = '', ret = '';
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String(string).split('').forEach(function(char) {
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binary += Ox.pad(char.charCodeAt(0).toString(2), 'left', 8, '0');
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});
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binary = Ox.pad(binary, Math.ceil(binary.length / 6) * 6, '0')
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while (binary) {
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ret += chars[parseInt(binary.slice(0, 6), 2)];
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binary = binary.slice(6);
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}
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return Ox.pad(ret, Math.ceil(ret.length / 4) * 4, '=');
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};
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/*@
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Ox.polyfill.bind <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/bind
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<script>
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Ox.test.object = {
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get: function() {
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return this.value;
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},
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value: 'foo'
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};
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Ox.test.get = Ox.test.object.get;
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Ox.test.value = 'bar';
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</script>
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> Ox.test.object.get()
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'foo'
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> Ox.test.get()
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'bar'
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> Ox.polyfill.bind.call(Ox.test.get, Ox.test.object)()
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'foo'
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@*/
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Ox.polyfill.bind = function(that) {
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if (typeof this !== 'function') {
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throw new TypeError();
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}
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var args = Array.prototype.slice.call(arguments, 1),
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fn = function() {},
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this_ = this,
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ret = function() {
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return this_.apply(
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this instanceof fn ? this : that || window,
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args.concat(Array.prototype.slice.call(arguments))
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);
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};
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fn.prototype = this.prototype;
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ret.prototype = new fn();
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return ret;
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};
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/*@
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Ox.polyfill.every <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
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> Ox.polyfill.every.call([0, 1, 2], function(v, i) { return v == i; })
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true
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> Ox.polyfill.every.call([true, true, false], Ox.identity)
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false
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@*/
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Ox.polyfill.every = function(iterator, that) {
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if (this === void 0 || this === null || typeof iterator !== 'function') {
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throw new TypeError();
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}
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var array = Object(this), i, length = array.length >>> 0, ret = true;
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for (i = 0; i < length; i++) {
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if (i in array && !iterator.call(that, array[i], i, array)) {
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ret = false;
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break;
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}
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}
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return ret;
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};
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/*@
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Ox.polyfill.filter <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/filter
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> Ox.polyfill.filter.call([2, 1, 0], function(v, i) { return v == i; })
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[1]
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@*/
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Ox.polyfill.filter = function(iterator, that) {
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if (this === void 0 || this === null || typeof iterator !== 'function') {
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throw new TypeError();
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}
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var array = Object(this), i, length = array.length >>> 0, ret = [], value;
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for (i = 0; i < length; i++) {
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// save value in case iterator mutates it
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if (i in array && iterator.call(that, value = array[i], i, array)) {
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ret.push(value);
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}
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}
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return ret;
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};
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/*@
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Ox.polyfill.forEach <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/forEach
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<script>
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Ox.test.array = [];
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Ox.polyfill.forEach.call([1, 2, 3], function(v, i) { Ox.test.array.push([v, i])})
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</script>
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> Ox.test.array
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[[1, 0], [2, 1], [3, 2]]
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@*/
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Ox.polyfill.forEach = function(iterator, that) {
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if (this === void 0 || this === null || typeof iterator !== 'function') {
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throw new TypeError();
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}
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var array = Object(this), i, length = array.length >>> 0;
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for (i = 0; i < length; i++) {
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if (i in array) {
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iterator.call(that, array[i], i, array);
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}
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}
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};
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/*@
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Ox.polyfill.indexOf <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
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> Ox.polyfill.indexOf.call([1, 2, 3, 2, 1], 2)
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1
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> Ox.polyfill.indexOf.call([1, 2, 3, 2, 1], 4)
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-1
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@*/
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Ox.polyfill.indexOf = function(value) {
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if (this === void 0 || this === null) {
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throw new TypeError();
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}
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var array = Object(this), i, length = array.length >>> 0, ret = -1;
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for (i = 0; i < length; i++) {
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if (i in array && array[i] === value) {
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ret = i;
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break;
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}
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}
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return ret;
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};
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/*@
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Ox.polyfill.isArray <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
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> Ox.polyfill.isArray([])
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true
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> Ox.polyfill.isArray((function() { return arguments; }()))
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false
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> Ox.polyfill.isArray({0: 0, length: 1})
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false
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@*/
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Ox.polyfill.isArray = function(value) {
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return Object.prototype.toString.call(value) == '[object Array]';
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};
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/*@
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Ox.polyfill.JSON <o> see https://github.com/douglascrockford/JSON-js
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> Ox.polyfill.JSON.parse('{"a": [1, 2], "b": [3, 4]}')
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{a: [1, 2], b: [3, 4]}
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> Ox.polyfill.JSON.stringify([(function(){ return arguments; }()), false, null, 0, -0, Infinity, NaN, / /, void 0])
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'[{},false,null,0,0,null,null,{},null]'
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> Ox.polyfill.JSON.stringify(new Date()).length
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24
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@*/
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Ox.polyfill.JSON = (function() {
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var replace = {
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'"': '\\"',
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'\b': '\\b',
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'\f': '\\f',
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'\n': '\\n',
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'\r': '\\r',
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'\t': '\\t',
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'\\': '\\\\'
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};
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function quote(value) {
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return '"' + value.split('').map(function(char) {
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return replace[char] || char;
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}).join('') + '"';
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};
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return {
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parse: function parse(string) {
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return eval('(' + string + ')');
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},
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stringify: function stringify(value) {
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var ret = 'null', type = Ox.typeOf(value);
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if (type == 'arguments' || type == 'regexp') {
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ret = '{}';
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} else if (type == 'array') {
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ret = ['[', ']'].join(
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value.map(function(v) {
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return stringify(v);
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}).join(',')
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);
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} else if (type == 'boolean') {
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ret = String(value);
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} else if (type == 'date') {
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ret = Ox.splice(
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Ox.getISODate(value, true), 19, 0,
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'.' + String(+value).slice(-3)
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);
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} else if (type == 'number') {
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ret = isFinite(value) ? String(value) : 'null';
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} else if (type == 'object') {
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ret = ['{', '}'].join(
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Object.keys(value).map(function(k) {
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return quote(k) + ': ' + stringify(value[k]);
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}).join(',')
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);
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} else if (type == 'string') {
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ret = quote(value);
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}
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return ret;
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}
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};
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}());
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/*@
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Ox.polyfill.keys <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Object/keys
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> Ox.polyfill.keys({a: 1, b: 2, c: 3})
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['a', 'b', 'c']
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@*/
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Ox.polyfill.keys = function(object) {
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if (object !== Object(object)) {
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throw new TypeError();
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}
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var key, ret = [];
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for (key in object) {
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Object.prototype.hasOwnProperty.call(object, key) && ret.push(key);
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}
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return ret;
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};
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/*@
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Ox.polyfill.lastIndexOf <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf
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> Ox.polyfill.lastIndexOf.call([1, 2, 3, 2, 1], 2)
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3
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> Ox.polyfill.lastIndexOf.call([1, 2, 3, 2, 1], 4)
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-1
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@*/
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Ox.polyfill.lastIndexOf = function(value) {
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if (this === void 0 || this === null) {
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throw new TypeError();
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}
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var array = Object(this), i, length = array.length >>> 0, ret = -1;
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for (i = length - 1; i >= 0; i--) {
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if (i in array && array[i] === value) {
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ret = i;
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break;
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}
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}
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return ret;
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};
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/*@
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Ox.polyfill.map <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/map
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> Ox.polyfill.map.call([2, 1, 0], function(v, i) { return v == i; })
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[false, true, false]
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@*/
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Ox.polyfill.map = function(iterator, that) {
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if (this === void 0 || this === null || typeof iterator !== 'function') {
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throw new TypeError();
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}
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var array = Object(this), i, length = array.length >>> 0,
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ret = new Array(length);
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for (i = 0; i < length; i++) {
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if (i in array) {
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ret[i] = iterator.call(that, array[i], i, array);
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}
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}
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return ret;
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};
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/*@
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Ox.polyfill.reduce <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/reduce
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> Ox.polyfill.reduce.call([1, 2, 3], function(p, c, i) { return p + c + i; }, 1)
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10
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@*/
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Ox.polyfill.reduce = function(iterator, ret) {
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if (this === void 0 || this === null || typeof iterator !== 'function') {
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throw new TypeError();
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}
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var array = Object(this), i, length = array.length;
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if (!length && ret === void 0) {
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throw new TypeError();
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}
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if (ret === void 0) {
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ret = array[0];
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i = 1;
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}
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for (i = i || 0; i < length; i++) {
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if (i in array) {
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ret = iterator.call(void 0, ret, array[i], i, array);
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}
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}
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return ret;
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};
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/*@
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Ox.polyfill.reduceRight <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/reduceRight
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> Ox.polyfill.reduceRight.call([1, 2, 3], function(p, c, i) { return p + c + i; }, 1)
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10
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@*/
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Ox.polyfill.reduceRight = function(iterator, ret) {
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if (this === void 0 || this === null || typeof iterator !== 'function') {
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throw new TypeError();
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}
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var array = Object(this), i, length = array.length;
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if (!length && ret === void 0) {
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throw new TypeError();
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}
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if (ret === void 0) {
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ret = array[length - 1];
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i = length - 2;
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}
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for (i = i || length - 1; i >= 0; i--) {
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if (i in array) {
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ret = iterator.call(void 0, ret, array[i], i, array);
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}
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}
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return ret;
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};
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/*@
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Ox.polyfill.some <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
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> Ox.polyfill.some.call([2, 1, 0], function(v, i) { return v == i; })
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true
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> Ox.polyfill.some.call([false, false, false], Ox.identity)
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false
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@*/
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Ox.polyfill.some = function(iterator, that) {
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if (this === void 0 || this === null || typeof iterator !== 'function') {
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throw new TypeError();
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}
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var array = Object(this), i, length = array.length >>> 0, ret = false;
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for (i = 0; i < length; i++) {
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if (i in array && iterator.call(that, array[i], i, array)) {
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ret = true;
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break;
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}
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}
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return ret;
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};
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/*@
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Ox.polyfill.trim <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/String/Trim
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> Ox.polyfill.trim.call(' foo ')
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'foo'
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@*/
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Ox.polyfill.trim = function() {
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if (this === void 0 || this === null) {
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throw new TypeError();
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}
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return this.replace(/^\s+|\s+$/g, '');
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};
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[
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[Array, ['isArray']],
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[Array.prototype, [
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'every', 'filter', 'forEach', 'indexOf', 'lastIndexOf',
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'map', 'reduce', 'reduceRight', 'some']
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],
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[Function.prototype, ['bind']],
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[Object, ['keys']],
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[String.prototype, ['trim']],
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[window, ['atob', 'btoa', 'JSON']]
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].forEach(function(item) {
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var object = item[0], keys = item[1];
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keys.forEach(function(key) {
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if (!key in object) {
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if (canDefineProperty) {
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Object.defineProperty(object, key, {
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configurable: true,
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enumerable: false,
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writable: true,
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value: Ox.polyfill[key]
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});
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} else {
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object[key] = Ox.polyfill[key];
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}
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}
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});
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});
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// In IE8, window.console.log is an object,
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// in IE9, window.console.log.apply is undefined
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// see http://stackoverflow.com/questions/5472938/does-ie9-support-console-log-and-is-it-a-real-function
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if (window.console) {
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if (typeof window.console.log !== 'function') {
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log = window.console.log;
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window.console.log = function() {
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log(Array.prototype.slice.call(arguments).join(' '));
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};
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} else if (!window.console.log.apply) {
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window.console.log = Function.prototype.bind.call(
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window.console.log, window.console
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);
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}
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}
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})(this);
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