const value = 'blockquotes';
let arr = value.split('');
let res = {};
for(let i = 0; i < arr.length ; i++){
if(Object.keys(res).includes(arr[i])){
res[arr[i]] = res[arr[i]]+1;
}
else{
res[arr[i]] = 1;
}
}
console.log(res);