title: Difference between 2 jquery codes
body: <p>So, anyone knows what the difference between this:</p>
  
  <pre><code>$(document).on("click", "sometag", function () {
  
  });
  </code></pre>
  
  <p>and:</p>
  
  <pre><code>$("sometag").on("click", function () {
  
  });
  </code></pre>
  
  <p>??</p>