<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<!DOCTYPE html>
<html>
<body>
<input type="text" id="one">
<button onclick="doit()">doit</button>
<p id="demo"></p>
<script>
function doit(){
var one=document.getElementById('one').value
var ak=one.split("")
var z;
console.log(z+1)
var name = {}
for(i=0;i<=ak.length-1;i++){
if(name[ak[i]]==undefined){
name[ak[i]]=1;
}else{
name[ak[i]]+=1;
}
}
console.log(name)
}
</script>
</body>
</html>