Lodash - flatten method

Syntax

_.flattenDeep(array)

Recursively flattens array.

Arguments

• array (Array) − The array to flatten.

Output

• (Array) − Returns the new flattened array.

Example

var _ = require('lodash');
var list = [1, [2], [4], 5, [[6]]];
var result = _.flattenDeep(list)

console.log(result);

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

Command

\>node tester.js

Output

[ 1, 2, 4, 5, 6 ]