title: Given a list of positive and negative numbers. What is an elegant solution to tell which is closest to zero?
body: <p>Say you have a list of numbers:</p>
  
  <pre><code>var list = [4, -12, 18, 1, -3];
  </code></pre>
  
  <p>What is a more elegant solution to finding the value closest to zero without nesting a whole lot of if/else statements?</p>