JSFiddle - React, Tailwind, and code Playground

by Simonwep

HTML

<body>
  
</body>

JavaScript

const getOneBits = n => {
	let count = 0;
	for (let i = 512; i > 0; i = i >> 1) {
  	if (n & i) {
    	count++;
    }
  }
  
  return count;
}

document.body.innerHTML = getOneBits(333);