when to loop javascript code example

Example 1: javascript for loop

var colors=["red","blue","green"];
for (let i = 0; i < colors.length; i++) { 
  console.log(colors[i]);
}

Example 2: how to make a javascript for loop

var tops = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144];
for (let i = 0; i < tops.length; i++) {
  document.write(tops[i] + "tops");
}