how to count string in javascript code example

Example 1: string methods javascript count number of words inside a string

<html>
<body>
<script>
   function countWords(str) {
   str = str.replace(/(^\s*)|(\s*$)/gi,"");
   str = str.replace(/[ ]{2,}/gi," ");
   str = str.replace(/\n /,"\n");
   return str.split(' ').length;
   }
document.write(countWords("   Tutorix is one of the best E-learning   platforms"));
</script>
</body>
</html>

Example 2: javascript string lentrh

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

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

Example 3: 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 4: javascript count character in string

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