how to loop though in javascript code example

Example 1: javascript iterate through for loop

var myStringArray = ["Hello","World"];
var arrayLength = myStringArray.length;
for (var i = 0; i < arrayLength; i++) {
    console.log(myStringArray[i]);
    //Do something
}

Example 2: javascript loop

var colors=["red","blue","green"];
for(let color of colors){
  console.log(color)
}