Array.flat() method in JavaScript

Today we gonna discuss the flat() method in JavaScript which can be a part of the interview in the way to becoming a JavaScript developer.

The flat() method is used to flatten the array of arrays. The process of flattening depends on the depth of the array we want to flatten.

Syntax And Return Type 

flat(depth) :—  The depth level specifies how deep a nested array     structure should be flattened. Default value is 1.
Return Type — A new array with sub-array elements concatenated into it
Examples 

let arr1 = [1,2,[3,4,[5,6,]]];

arr1.flat(1) // [1,2,3,4,[5,6]];

arr1.flat(2) // [1,2,3,4,5,6];

arr1.flat(0) // [1,2,[3,4,[5,6]]];

Hope this article may helpful to all !!