title: generating ids for JSON elements
body: <p>Is there a way to generate a random id (javascript preferred) via this format:?</p>
  
  <p>7181cec4-cf43-5936-a75b-c1d5f8a7e00e</p>
  
  <p>I need to create an id for each element in a JSON file in order to differentiate them when doing all kinds of sorting.</p>