Detecting Browser Autofill

Question

How do you tell if a browser has auto filled a text-box? Especially with username & password boxes that autofill around page load.

My first question is when does

Answer 1

After research the issue is that webkit browsers does not fire change event on autocomplete. My solution was to get the autofill class that webkit adds and trigger change event by myself.

setTimeout(function() {
 if($('input:-webkit-autofill').length > 0) {
   //do some stuff
 }
},300)

Here is a link for the issue in chromium. https://bugs.chromium.org/p/chromium/issues/detail?id=636425