词法 this 我们刚刚涵盖了一般函数遵守的四种规则。但是 ES6 引入了一种不适用于这些规则特殊的函数:箭头函数(arrow-function)。 箭头函数不是通过 function 关键字声明的,而是通过所谓的“大箭头”操作符:=> 。与使用四种标准的 this 规则不同的是,箭头函数从封闭它的(函数或全局)作用域采用 this 绑定。 ...
For example, when you want to work with JavaScript code which looks like: import greeter from "super-greeter" ; greeter ( 2 ); greeter ( "Hello world" ); To handle ...
Module: Function Module: Function For example, when you want to work with JavaScript code which looks like: ts import greeter from "super-greeter" ; greeter ( 2 ); greet...
For example, when you want to work with JavaScript code which looks like: import greeter from "super-greeter" ; greeter ( 2 ); greeter ( "Hello world" ); To handle...