Underscore.JS each方法

_.each(list, iteratee, [context])

var _ = require('underscore');

var list = '';

//Example 1. access each number of array
_.each([1, 2, 3], function(x) { list += x + ' ' });
console.log(list);

list = ''

//Example 2. access each key-value of object
_.each({one: 1, two: 2, three: 3}, function(value, key) { list += key + ':' + value + ' ' });
console.log(list);

>node tester.js

1 2 3
one:1 two:2 three:3