how to count string characters 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: how get count of letters in javascript

//when use length for string this will be return the count of charactor 
//in string
$("#about_me_textarea").val().length

Example 3: count characters in typescript

function count (string) {  
  var count = {};
  string.split('').forEach(function(s) {
     count[s] ? count[s]++ : count[s] = 1;
  });
  return count;
}

Example 4: javascript count character in string

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