Underscore.JS difference 方法

_.difference(array, *others)

var _ = require('underscore');

var list1 = [1, 2, 3, 4, 5, 6]
var list2 = [1, 2, 3, 7]
var list3 = [1, 2, 4, 5, 6, 7, 8]
//Example 1: difference of list3 and list2
result = _.difference(list3, list2);
console.log(result)

//Example 2: difference of list3 with list2, list1
result = _.difference(list3, list2, list1);
console.log(result)

>node tester.js

[ 4, 5, 6, 8 ]
[ 8 ]