JQuery众多常用方法中很经常会用到回调函数, 理解好js callback函数定义及用法,我们就可以利用callback函数帮我们做很多事情啦! A callback is a function that is passed as an argument to another function and is executed after its parent function has completed. 这是js对callback函数的解析,意思是:callback函数是一个以参数形式传递
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1.回调函数英文解释: A callback is a function that is passed as an argument to another function and is executed after its parent function has completed. 2.回调函数中文解释: 回调就是一个函数的调用过程.那么就从理解这个调用过程开始吧.函数a有一个参数,这个参数是个函数b,当函数a执行完以后执行函数b.那么这个过程就叫回调.其实也很好理解:回调,回调,就是回头调