Removing Duplicate Elements from an Array

by Venkatesh Dematti

HTML

<h2>Algo Complex is n2(Highest)</h2>

JavaScript

let array1 = [1,2,3,4,5,6,1,7,8,3,2];

let array2 = [];

let len = array1.length;

for (let x = 0; x < len; x++){
  
   if(array2.indexOf(array1[x]) === -1){
      array2.push(array1[x]);
   }
}

console.log(array1);
console.log(array2);