gowthm

let a ={}
let b = {key: 'b'}
let c = {key: 'c'}

a[b] = 78
a[c] = 34
console.log(a[b])


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gowthm

let s = 'aaabbcddddswwaaaaa';
let c = 1;
let data = []
for (let i=0; i<s.length; i++) {
  if (s[i] != s[i+1]) {
      data.push(c);
      data.push(s[i]);
      c = 1;
  } else {
    c = c + 1;