ECMAScript 5 で増えたもの

3から5.yaml

Global:
  - JSON
Object:
  - getPrototypeOf()
  - geOwnPropertyDescriptor()
  - geOwnPropertyNames()
  - create()
  - defineProperty()
  - defineProperties()
  - seal()
  - freeze()
  - preventExtensions()
  - isSealed()
  - isFroozen()
  - isExtensible()
  - keys()
Function:
  - prototype:
    - bind()
  - instance:
    - "[[Get]]()"
Array:
  - isArray()
  - prototype:
    - indexOf()
    - lastIndexOf()
    - every()
    - some()
    - forEach()
    - map()
    - filter()
    - reduce()
    - reduceRight()
  - instance:
    - "[[DefineOwnProperty]]()"
String:
  - prototype:
    - trim()
  - instance:
    - "[[GetOwnProperty]]()"
Date:
  - now()
  - prototype:
    - toISOString()
    - toJSON()
JSON:
  - parse()
  - stringify()