JSFiddle - React, Tailwind, and code Playground
JavaScript
var name = 'santoshkumarthakur'
name.split('')
var count5 = 0;
var count2 = 0;
var count3 = 0;
for(var i = 0; i < name.length; ++i){
if(name[i] == 'n')
count3++;
if(name[i] == 'k')
count2++;
if(name[i] == 't')
count5++;
}
console.log('n' + count3)
console.log('k' + count2)
console.log('t' + count5)