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0612作业2019年06月14日09:29:26
Viggo的博客
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匿名函数,也叫闭包函数,不需要指定函数的名称,一般作为参数使用。
* 函数的参数可以用匿名函数
* 给变量赋值页可以用匿名函数

函数的参数:

forEach(function(){...})

变量赋值:

$num = function (){...}

回调函数,在一个函数中执行另外一个函数,或者在一个函数的参数中执行另外一个函数

$demo1 = function () {

    $sum();

}

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