Underscore.JS delay方法

_.delay(function, wait, *arguments)

var _ = require('underscore');

var startTimestamp = new Date().getTime();

var add = function(a,b) {
   console.log(a + b);
   var endTimestamp = new Date().getTime();
   console.log(((endTimestamp - startTimestamp)) + ' ms');   
};
_.delay(add, 1000, 5, 10);

>node tester.js

15
1028 ms