 <p>adding stuff to @theatlasroom answer, it can be called <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Grouping" rel="nofollow">grouping</a>, basically you are adding +1 to a value coming from myName.length without breaking things before or after it.</p> <p>javascript could compare it before being myName.length + 1 </p>