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zhenguilin / javascript-note

Here are some notes for javascript
https://github.com/zhenguilin/javascript-note
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高阶函数 #10

Open zhenguilin opened 6 years ago

zhenguilin commented 6 years ago

某个函数的参数是另一个函数，这样的函数叫做高阶函数

'use strict';

function higherOrder(num1, num2, fun){
    return fun(num2) + fun(num2);
}

alert(higherOrder(-2, -2, Math.abs));    //4