Chrome extension onload event. The window. I do in fact use window. Sep 11, 2025 ยท The load event is fired when the whole page has loaded, including all dependent resources such as stylesheets, scripts (including async, deferred, and module scripts), iframes, and images, except those that are loaded lazily. . There is not such event for that likechrome. <api>. chrome. The code ensures the message updates after a delay once the page has loaded. The button reloads the page when clicked. js file I want to initalize the settings with some default values and I use window. pf6g4jkopoyv4orfledjgc35vwwzqiws9k7thdu78b1mrcdo