Why doesn't document.addEventListener('load', function) work in a greasemonkey script?

Question

It doesn\'t give an error, and I put a console.log(\'loaded userscript wifi-autologin\'), the console.log works, but the intended effect of the doc

Answer 1

To get the value of my drop down box on page load, I use

document.addEventListener('DOMContentLoaded',fnName);

Hope this helps some one.