count letters in a string javascript code example

Example 1: js character certain count

var str = "Hello Lewes";
var ch = 'e';
 
var count = str.split("e").length - 1;
console.log(count);
 
/*
    Output: 3
*/

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: how to count specific letters in string js

console.log(("str1,str2,str3,str4".match(/,/g) || []).length); //logs 3

console.log(("str1,str2,str3,str4".match(new RegExp("str", "g")) || []).length); //logs 4