es6语法小计

ES6

• 箭头函数Arrow functions: <C onPress={() => this.setState({pressed: true})}
• 块级作用域Block scoping: let greeting = 'hi';
• 数组的扩展运算Call spread: Math.max(...array);
• 类Classes: class C extends React.Component { render() { return <View />; } }
• 常量Constants: const answer = 42;
• 解构Destructuring: var {isActive, style} = this.props;
• for...of: for (var num of [1, 2, 3]) {}
• 模块Modules: import React, { Component } from 'react';
• 动态属性键Computed Properties: var key = 'abc'; var obj = {[key]: 10}; console.log(obj); // { abc: 10 }
• 对象方法的简写Object Consise Method: var obj = { method() { return 10; } };
• 对象属性的简写Object Short Notation: var name = 'vjeux'; var obj = { name };
• 参数的扩展运算Rest Params: function(type, ...args) { }
• 字符串模板Template Literals: var who = 'world'; var str =Hello ${who};

引用

javascript-environment
modules