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Improved Array Capabilities
Improved Array Capabilities Improved Array Capabilities The array is a foundational JavaScript object. But while other aspects of JavaScript have evolved over time, arrays rema... -
…spread and …rest
Spread Syntax (Spread Element) and Rest parameters Spread Syntax Rest parameter Spread Syntax (Spread Element) and Rest parameters A Spread syntax allows in-place expansion o... -
语法简写说明
Vuejs 中的 ECMAScript let, var, 常量 与全局变量 导入代码： import 方便其他代码来使用自己: export default {..} ES中的简写 箭头函数 => hash中同名的 key, value的简写 分号可以省略 解构赋值 学习资料 Vuejs 中的 ECMAScript 对于稍微有一定... -
@babel/parser
@babel/parser Credits API babelParser.parse(code, [options]) babelParser.parseExpression(code, [options]) Options Output Semver Example Plugins Miscellaneous Language ext... -
parser
@babel/parser Credits API babelParser.parse(code, [options]) babelParser.parseExpression(code, [options]) Options Output Semver Example Plugins Miscellaneous Language ext... -
重新打造规范
重新打造规范 重组规范结构 新的术语 新的语义种类 重新打造规范 使用可执行、可测试的规范来表达 ECMAScript 语义的愿望，从新版 ES4 的工作中延续了下来。但使用 ML 作为规范语言的尝试已经被放弃了。在 Harmony 工作的早期，Allen Wirfs-Brook [2009 ] 提出了通过「以 ES5 JavaScript 编... -
Other String Changes
Other String Changes Methods for Identifying Substrings The repeat() Method Other String Changes JavaScript strings have always lagged behind similar features of other langua... -
Symbols and Symbol Properties
Symbols and Symbol Properties Symbols and Symbol Properties Symbols are a primitive type introduced in ECMAScript 6, joining the existing primitive types: strings, numbers, boo... -
Summary
Summary Summary Prior to ECMAScript 6, certain objects (such as arrays) displayed nonstandard behavior that developers couldn’t replicate. Proxies change that. They let you def... -
Own Property Enumeration Order
Own Property Enumeration Order Own Property Enumeration Order ECMAScript 5 didn’t define the enumeration order of object properties, as it left this up to the JavaScript engine...