Learn how to remove duplicate elements from a JavaScript array in this step-by-step tutorial. We'll cover three different methods for removing duplicates, including the filter() method, the Set object, and the reduce() method.

Remove duplicates from array in Javascript | Algorithm Interview Question

The filter() method creates a new array and populates that array with all the elements that meet the condition specified in a callback function. The filter method calls the callback function one time for each element in the array. If the callback function returns false for all elements of the array, the length of the new array that will be returned is 0.

       let jsArray = ["amit","maithili","aayush","amit","maithili","ramesh","suresh"];
       let uniqueArray = jsArray.filter(function(value,index,array){
           return array.indexOf(value) == index


Remove Duplicates from JavaScript Array
1.10 GEEK