title: What is the difference between Unary Plus/Number(x) and parseFloat(x)?
body: <p>I'm asking this just for the sake of shaving a few bytes.</p>
  <p>I know I can use <code>+x</code> (unary plus) instead of <code>Number(x)</code>. Is there a difference between those and <code>parseFloat</code>?</p>