JavaScript立即执行函数的相关内容

文章 2017-03-21 来自：开发者社区

详解javascript立即执行函数表达式（IIFE）

立即执行函数，就是在定义函数的时候直接执行，这里不是申明函数而是一个函数表达式 1.问题在javascript中，每一个函数在被调用的时候都会创建一个执行上下文，在函数内部定义的变量和函数只能在该函数内部调用，正是因为这个上下文，使得在调用函数的时候可以创建一些私有变量。如下代码 //makeCounter，返回一个新的函数（闭包）,这个函数可以访问makeCounter里的局部变量...

文章 2016-12-08 来自：开发者社区

JavaScript之闭包问题以及立即执行函数

今天我将会来浅谈一下关于JavaScript的立即执行函数以及闭包问题。首先我们先要了解一下关于立即执行函数： ( function(){…} )()和( function (){…} () )是两种javascript立即执行函数的常见写法，最初我以为是一个括号包裹匿名函数，再在后面加个括号调用函数，最后达到函数定义后立即执行的目的，后来发现加括号的原因并非如此。要理解立即执行函数，...

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更新时间 2023-06-13 03:14:46

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