title: What event is this and how can I attach something to it? Javascript
body: <p>I have managed to catch the event im looking for, using an event watcher in firefox.</p>
  
  <p>It seems to indicate the event is called 'input', but ive never heard of this, can anyone offer any insight as I need to attach a function to the event.</p>
  
  <p><img src="https://i.stack.imgur.com/KMGLl.png" alt="enter image description here"></p>