Underscore.JS - difference method

Syntax

_.difference(array, *others)

difference method returns a values of array which are not present in other passed arrays.

Example

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)

Save the above program in tester.js. Run the following command to execute this program.

Command

\>node tester.js

Output

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