silvana1303

add and remove elements

Apr 7th, 2021
315
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  1. function  solve(arr1) {
  2.  
  3.     let arr2 = [];
  4.  
  5.     for (let i = 0; i < arr1.length; i++) {
  6.  
  7.         if (arr1[i] == 'add') {
  8.             let number = i + 1;
  9.             arr2.push(number);
  10.         } else {
  11.             arr2.pop();
  12.         }
  13.     }
  14.  
  15.     if (arr2.length > 0){
  16.         for (let el of arr2) {
  17.             console.log(el);
  18.         }
  19.     }
  20.     else {
  21.         console.log('Empty');
  22.     }
  23.  
  24. }
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