// ecma-5.js // // – kriskowal Kris Kowal Copyright (C) 2009-2010 MIT License // – tlrobinson Tom Robinson // dantman Daniel Friesen
// // Array // if (!Array.isArray) {
Array.isArray = function(obj) { return Object.prototype.toString.call(obj) === "[object Array]" || (obj instanceof Array); };
} if (!Array.prototype.forEach) {
Array.prototype.forEach = function(block, thisObject) { var len = this.length >>> 0; for (var i = 0; i < len; i++) { if (i in this) { block.call(thisObject, this[i], i, this); } } };
} if (!Array.prototype.map) {
Array.prototype.map = function(fun , thisp ) { var len = this.length >>> 0; var res = new Array(len); var thisp = arguments[1]; for (var i = 0; i < len; i++) { if (i in this) { res[i] = fun.call(thisp, this[i], i, this); } } return res; };
} if (!Array.prototype.filter) {
Array.prototype.filter = function (block , thisp ) { var values = []; var thisp = arguments[1]; for (var i = 0; i < this.length; i++) { if (block.call(thisp, this[i])) { values.push(this[i]); } } return values; };
} if (!Array.prototype.reduce) {
Array.prototype.reduce = function(fun /*, initial*/) { var len = this.length >>> 0; var i = 0; // no value to return if no initial value and an empty array if (len === 0 && arguments.length === 1) throw new TypeError(); if (arguments.length >= 2) { var rv = arguments[1]; } else { do { if (i in this) { rv = this[i++]; break; } // if array contains no values, no initial value to return if (++i >= len) throw new TypeError(); } while (true); } for (; i < len; i++) { if (i in this) { rv = fun.call(null, rv, this[i], i, this); } } return rv; };
} if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function (value /*, fromIndex */ ) { var length = this.length; var i = arguments[1] || 0; if (!length) return -1; if (i >= length) return -1; if (i < 0) i += length; for (; i < length; i++) { if (!Object.prototype.hasOwnProperty.call(this, i)) { continue } if (value === this[i]) return i; } return -1; };
}
// // Object // if (!Object.keys) {
Object.keys = function (object) { var keys = []; for (var name in object) { if (Object.prototype.hasOwnProperty.call(object, name)) { keys.push(name); } } return keys; };
}
// // String // if (!String.prototype.trim) {
String.prototype.trim = function () { return String(this).replace(/^\s\s*/, '').replace(/\s\s*$/, ''); };
}