How to know if window “load” event was fired already

Question

I\'m writing a Javascript script. This script will probably be loaded asynchronously (AMD format).

In this script, I\'d like to do nothing important until the

Answer 1

Based on @CTS_AE's approach, I have put together a solution for envrionments where:

• window.addEventListener('load', activateMyFunction); and
• window.addEventListener('DOMContentLoaded', activateMyFunction);

don't work.

It requires a single character substitution (eg. from

window.addEventListener('load', activateMyFunction);

to

window_addEventListener('load', activateMyFunction);)

The function window_addEventListener() looks like this:

const window_addEventListener = (eventName, callback, useCapture = false) => {

  if ((document.readyState === 'interactive') || (document.readyState === 'complete'))   {

    callback();
  }
}