初学js的时候,被回调函数弄得很晕,现在回过火来总结一下甚么是回调函数。
我们先来看看回调的英文定义:A callback is a function that is passed as an argument to another function and is executed after its parent function has completed。 我们先来看看回调的
初学js的时候,被回调函数弄得很晕,现在回过火来总结一下甚么是回调函数。
我们先来看看回调的英文定义:A callback is a function that is passed as an argument to another function and is executed after its parent function has completed。 我们先来看看回调的