Underscore.JS - partition method

Syntax

_.partition(list, predicate)

partition method divides the list into two array, one contains elements satisfying the predicate truth condition and other contains rest of the elements.

Example

var _ = require('underscore');

//Example: partion list of numbers being even and odd
result = _.partition([1, 2, 3, 4], function(x){return x % 2 == 0;});
console.log(result)

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

Command

\>node tester.js

Output

[ [ 2, 4 ], [ 1, 3 ] ]