get value of an array javascript code example

Example 1: js fetch all elements of an array

let elements = ['A', 'B', 'C', 'D', 'E'];
elements.forEach(letter => console.log(letter.toLowerCase())); //a, b, c, d, e

Example 2: javascript get array value

var array = []
array[0] = "hi"
array[1] = "dude"
var done = false
while (done == false){
var valueToFind = "hi";
  var rounds = array.length;
  if (rounds < 0){
  return false
  }
  if (array[rounds] == valueToFind){
  done = true
    return rounds
  }
  rounds = rounds - 1
}