ECMAScript6扩展 快速导航 新增声明变量 解构赋值 数组解构赋值 对象解构赋值 扩展系列 正则表达式扩展 字符串扩展 数值扩展 数组扩展 函数扩展 对象扩展 ECMAScript6扩展 快速导航 变量声明 [more] [Variable] 新增let&const变量声明 解构赋值 [more] ...

Sets in ECMAScript 6 Creating Sets and Adding Items Removing Values The forEach() Method for Sets Converting a Set to an Array Weak Sets Creating a Weak Set Key Differences Be...

ECMAScript 5 Compatibility 27.1 Refer to Kangax ’s ES5 compatibility table .

Maps in ECMAScript 6 Map Methods Map Initialization The forEach Method on Maps Weak Maps Using Weak Maps Weak Map Initialization Weak Map Methods Private Object Data Weak Ma...

Chapter 5. Standardization: ECMAScript buy the book to support the author. Chapter 5. Standardization: ECMAScript After JavaScript came out, Microsoft implemented the sam...

7. ECMAScript binding 7. ECMAScript binding This section defines how key values defined in this specification are converted to and from ECMAScript values, and how they may be ...

III. ECMAScript 2019 Please support this book: buy it or donate III. ECMAScript 2019

EcmaScript 6 and TypeScript Features EcmaScript 6 and TypeScript Features Figure: ES6 and TypeScript The language we usually call "JavaScript" is formally known as "EcmaScrip...

7. ECMAScript binding 7. ECMAScript binding This section defines how key values defined in this specification are converted to and from ECMAScript values, and how they may be ...

Sets and Maps in ECMAScript 5 Sets and Maps in ECMAScript 5 In ECMAScript 5, developers mimicked sets and maps by using object properties, like this: let set = Object . ...