We can delete localstorage or sessionstorage using js clear() like
localStorage.clear();
sessionStorage.clear()
Is there no cookies.clear() like this? How? (No chrome extension please)
The quickest I found to clear, clicking on secure icon near website in address bar > cookies > Remove.
This is some code that I found at https://stackoverflow.com/a/27374365/10022239
document.cookie.split(";").forEach(function(c) { document.cookie = c.replace(/^ +/, "").replace(/=.*/, "=;expires=" + new Date().toUTCString() + ";path=/"); });
You may also be able to use cookies.remove();
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/cookies/remove
