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I came across a Solution for Binary Addition and I'm having a hard time understanding how it worked. Mainly I need to know what '>>>' does? Here is the solution: 

function addBinary(a,b) {
  let sum = a + b;
  return (sum >>> 0).toString(2);
}

addBinary(1,2) // 11
Eric
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j3kkuh
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  • It's a binary [unsigned right shift](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_Operators#Right_shift) – Andrei Nemes Dec 18 '17 at 01:55
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    https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_Operators#Unsigned_right_shift – Andrew Li Dec 18 '17 at 01:55
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    `>>>` is a right shift. `>>> 0` doesn't actually shift anything, it just convert `sum` into an integer as `a` and `b` could be floating point numbers. Try it: `console.log(Math.PI >>> 0);`. – ibrahim mahrir Dec 18 '17 at 01:58

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