JSFiddle - React, Tailwind, and code Playground

by karthick Chandran

JavaScript

var arr1 = ['a', 'b', 'c', 'd', 'e'];
var arr2= ['a', 'c'];


arr1.forEach(function(item, index, array) {

  var index1 = 0;

for (i=0; i < arr2.length ;i++ )
{

 if (item == arr2[i] ) {
 index1 = -1;
break;
    } 

    }


 

  if (index1 >= 0) {
  alert(index1);
    arr2.splice(index, 0, item);
  }

});

alert(arr2);