![]() Proxy object was introduced which offers support for creating Object and Function proxies that enable meta-programming in JavaScript. Object.getPrototypeOf() added, which returns the prototype of the specified object. ![]() Global objects NaN, Infinity, undefined made read-only as part of ECMA5 specificationĪrray.toString() now works even on non-arrays by either returning the result of calling its join() method if one is available or by calling its toString() method.Īrray.reduce and Array.reduceRight was introduced in Javascript 1.8 Trailing commas are no longer accepted in JSON.parse Get and set operators now allows the identifier to be numeric or a stringįunction.apply() can accept any array-like object as the arguments list, instead of only true arrays "use strict" or Strict Mode was introduced ![]()
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