Lodash _.flatten() Method

Lodash _.flatten() method is used to flatten the array to one level deep and it returns a new flattened array.

Syntax:

_.flatten( array );

Parameter:

• array that holds a simple array or array of arrays.

Return Value:

• The return type of this function is an array.

Example 1: In this example, er are flattening the array to a single level by the use of the _.flatten() method.

Output:

Example 2: In this example, er are flattening the array of object to a single level by the use of the _.flatten() method.

Output:

Example 3: In this example, er are flattening the empty array to a single level by the use of the _.flatten() method.

Output: