The engine significantly improves support for ECMA-262: ECMAScript Language Specification standard, including features new to the recently finalized Fifth Edition of ECMA-262 (often abbreviated ES5).
Chakra引擎顯著提高支援ECMA-262（ECMAScript的語言規範標準），包括新的功能，最近完成的第五版的ECMA-262（通常簡稱ES5）。