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4. FAQ: JavaScript
4. FAQ: JavaScript 4.1. What are good references for JavaScript? 4.2. How do I find out what JavaScript features are supported where? 4.3. Where can I look up what features are p... -
第四章 - 扩展的对象功能
扩展的对象功能（Expanded Object Functionality） 本章小结 对象类别（Object Categories） " level="3"> 对象类别（Object Categories） 对象字面量语法扩展（Object Literal Syntax Extensions） " level="3"> 对象字面量语法扩展（O... -
Emerging Best Practices for Block Bindings
Emerging Best Practices for Block Bindings Emerging Best Practices for Block Bindings While ECMAScript 6 was in development, there was widespread belief you should use let by ... -
Retrieving Symbol Properties
Retrieving Symbol Properties Retrieving Symbol Properties The Object.keys() and Object.getOwnPropertyNames() methods can retrieve all property names in an object. The former ... -
4.5 The global environment
4.5 The global environment 4.5.1 Script scope and module scopes 4.5.2 Creating variables: declarative record vs. object record 4.5.3 Getting or setting variables 4.5.4 Global EC... -
Why is Destructuring Useful?
Why is Destructuring Useful? Why is Destructuring Useful? In ECMAScript 5 and earlier, the need to fetch information from objects and arrays could lead to a lot of code that lo... -
New Methods
New Methods The Object.is() Method The Object.assign() Method New Methods One of the design goals of ECMAScript beginning with ECMAScript 5 was to avoid creating new global f... -
parser
@babel/parser Credits API babelParser.parse(code, [options]) babelParser.parseExpression(code, [options]) Options Output Semver Example Plugins Miscellaneous Language ext... -
2 Type coercion in JavaScript
2 Type coercion in JavaScript Please support this book: buy it or donate 2 Type coercion in JavaScript In this chapter, we examine the role of type coercion in JavaScript... -
第七章 - Set 与 Map
Set 与 Map（Sets and Maps） 本章小结 ECMAScript 5 中的 set 与 map（Sets and Maps in ECMAScript 5） " level="3"> ECMAScript 5 中的 set 与 map（Sets and Maps in ECMAScript 5） 使用对象模拟的问题（Problem...