Duplicate an array an arbitrary number of times (javascript)

Question

Let\'s say I\'m given an array. The length of this array is 3, and has 3 elements:

var array = [\'1\',\'2\',\'3\'];

Eventually I will need

Answer 1

if you are inside a loop you can verify the current loop index with the array length and then multiply it's content.

let arr = [1, 2, 3];

if(currentIndex > arr.length){ 
  //if your using a loop, make sure to keep arr at a level that it won't reset each loop

  arr.push(...arr);

}

Full Example: https://jsfiddle.net/5k28yq0L/