ECMAScript 5

Implementation of ECMAScript 5

Array

• Array.isArray
  Return true if a variable is an array, if not false
  

• Array.prototype.indexOf
  Returns the first (least) index of an element within the array equal to the specified value, or -1 if none is found
  

• Array.prototype.lastIndexOf
  Returns the last (greatest) index of an element within the array equal to the specified value, or -1 if none is found
  

• Array.prototype.every
  Returns true if every element in this array satisfies the provided testing function
  

• Array.prototype.some
  Returns true if at least one element in this array satisfies the provided testing function
  

• Array.prototype.forEach
  Calls a function for each element in the array
  

• Array.prototype.map
  Creates a new array with the results of calling a provided function on every element in this array
  

• Array.prototype.filter
  Creates a new array with all of the elements of this array for which the provided filtering function returns true
  

• Array.prototype.reduce
  Apply a function simultaneously against two values of the array (from left-to-right) as to reduce it to a single value
  

• Array.prototype.reduceRight
  Apply a function simultaneously against two values of the array (from right-to-left) as to reduce it to a single value*
  

String

• String.prototype.trim
  Removes whitespace from both ends of the string*
  

Object

• Object.getPrototypeOf
  Returns the prototype of the specified object*
  

• Object.getOwnPropertyNames
  The object whose enumerable and non-enumerable own properties are to be returned*
  

• Object.create
  Creates a new object with the specified prototype object and properties*
  

• Object.defineProperty
  The defineProperty function is used to add an own property and/or update the attributes of an existing own property of an object*
  

• Object.defineProperties
  The defineProperties function is used to add own properties and/or update the attributes of existing own properties of an object*
  

• Object.keys
  Returns an array of all own enumerable properties found upon a given object, in the same order as that provided by a for-in loop*
  

Date

• Date.prototype.toISOString
  Converts a date to a string following the ISO 8601 Extended Format*
  

• Date.now
  Returns the number of milliseconds elapsed since 1 January 1970 00:00:00 UTC*
  

• Date.prototype.toJSON
  Provides a String representation of a Date object for use by JSON.stringify*
  

Function

• Function.prototype.bind
  Creates a new function that, when called, itself calls this function in the context of the provided <this> value, with a given sequence of arguments preceding any provided when the new function was called*
  

##.

• License ECMAScript 5 implementation is licensed under the MIT (MIT_LICENSE.txt) license

• Copyright (c) 2011 [Alexander Guinness] (https://github.com/monolithed)