title: Detect all Events what are bind to a Web Page
body: <p>I am working on a website and would really like to know what events are bind to this site.
  In which ways can I find it out? Is there some tool or can I do this with the dev tools?
  Can I see then custom events too!?</p>
  
  <p>Any help?</p>
  
  <p>Thanks</p>