JSFiddle - React, Tailwind, and code Playground

by Pritesh Patel

JavaScript

function removeDuplicate(arr){
  var exists ={};
     var outArr = []; 
       var elm;

  for(var i =0; i<arr.length; i++){
    elm = arr[i];
    if(!exists[elm]){
      outArr.push(elm);
      exists[elm] = true;
   }
  }
  return console.log(outArr);
}

removeDuplicate([1,3,3,3,1,5,6,7,8,1]);