150 lines
3.3 KiB
JavaScript
150 lines
3.3 KiB
JavaScript
/**
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* implement Object.create for browsers without native support
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*/
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if (typeof Object.create !== 'function') {
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Object.create = function (o) {
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function F() {}
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F.prototype = o;
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return new F();
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};
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}
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/**
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* implement Object.keys for browsers without native support
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*/
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if (typeof Object.keys !== 'function') {
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Object.keys = function(o) {
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if (o !== Object(o)) {
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throw new TypeError('Object.keys called on a non-object');
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}
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var k=[],p;
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for (p in o) {
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if (Object.prototype.hasOwnProperty.call(o,p)) {
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k.push(p);
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}
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}
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return k;
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};
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}
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/**
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* implement Array.filter for browsers without native support
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*/
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if (!Array.prototype.filter) {
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Array.prototype.filter = function(fun /*, thisp*/) {
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var len = this.length >>> 0;
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if (typeof fun !== "function"){
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throw new TypeError();
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}
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var res = [];
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var thisp = arguments[1];
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for (var i = 0; i < len; i++) {
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if (i in this) {
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var val = this[i]; // in case fun mutates this
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if (fun.call(thisp, val, i, this))
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res.push(val);
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}
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}
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return res;
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};
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}
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/**
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* implement Array.indexOf for browsers without native support
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*/
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if (!Array.prototype.indexOf){
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Array.prototype.indexOf = function(elt /*, from*/)
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{
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var len = this.length;
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var from = Number(arguments[1]) || 0;
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from = (from < 0) ? Math.ceil(from) : Math.floor(from);
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if (from < 0){
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from += len;
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}
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for (; from < len; from++)
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{
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if (from in this && this[from] === elt){
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return from;
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}
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}
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return -1;
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};
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}
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/**
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* implement Array.map for browsers without native support
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*/
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if (!Array.prototype.map){
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Array.prototype.map = function(fun /*, thisp */){
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"use strict";
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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 t = Object(this);
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var len = t.length >>> 0;
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if (typeof fun !== "function"){
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throw new TypeError();
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}
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var res = new Array(len);
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var thisp = arguments[1];
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for (var i = 0; i < len; i++){
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if (i in t){
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res[i] = fun.call(thisp, t[i], i, t);
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}
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}
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return res;
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};
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}
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//https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Function/bind
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if (!Function.prototype.bind) {
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Function.prototype.bind = function (oThis) {
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if (typeof this !== "function") {
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// closest thing possible to the ECMAScript 5 internal IsCallable function
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throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
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}
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var aArgs = Array.prototype.slice.call(arguments, 1),
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fToBind = this,
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fNOP = function () {},
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fBound = function () {
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return fToBind.apply(this instanceof fNOP && oThis
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? this
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: oThis,
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aArgs.concat(Array.prototype.slice.call(arguments)));
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};
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fNOP.prototype = this.prototype;
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fBound.prototype = new fNOP();
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return fBound;
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};
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}
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//https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String/Trim
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if(!String.prototype.trim) {
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String.prototype.trim = function () {
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return this.replace(/^\s+|\s+$/g,'');
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};
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}
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// Older Firefoxes doesn't support outerHTML
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// From http://stackoverflow.com/questions/1700870/how-do-i-do-outerhtml-in-firefox#answer-3819589
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function outerHTML(node){
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// In newer browsers use the internal property otherwise build a wrapper.
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return node.outerHTML || (
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function(n){
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var div = document.createElement('div'), h;
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div.appendChild( n.cloneNode(true) );
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h = div.innerHTML;
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div = null;
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return h;
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})(node);
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}
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