finding length of a string in javascript code example

Example 1: javascript string lentrh

var myString = "string test";
var stringLength = myString.length;

console.log(stringLength); // Will return 11 because myString 
// 							  is 11 characters long...

Example 2: javascript length

var colors = ["Red", "Orange", "Blue", "Green"];
var colorsLength=colors.length;//4 is colors array length 

var str = "bug";
var strLength=str.length;//3 is the number of characters in bug

Example 3: length of string in javascript

var str = "Hello World!";
var n = str.length;

Example 4: how to find length of string in javascript without using length method

function strLength(s) {
  var length = 0;
  while (s[length] !== undefined){
    length++;
  } 
  return length;
}

console.log(strLength("Hello")); // 5
console.log(strLength("")); // 0