How to Remove duplicate items from a JavaScript array-Codespeedy

Here,this web page for removing the duplicate elements or items from a JavaScript array. And then following methods commonly used in the JavaScript code.

Methods of JavaScript

  1. Using Set
  2. Using filter and indexOf
  3. Using reduce
  4. Using forEach

1.Set() method:
This method is simple and efficient to remove the duplicate items.

set method

2. filter() and indexOf() method:
This one is the another method for delete the duplicate items from given array in JavaScript.

Filter and indexOf

3.reduce() method:
Reduce() method used for checking the current element is already present in the array and that element is removed.

reduce method

4.forEach() method:
This method uses an object to store unique elements. That unique array is store the repeated element and array will be removed.

forEach

–Codespeedy–

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