I'writing an addon for Firefox... (and load it from URL tools "about:debugging#addons")
I try this code (from https://developer.mozilla.org/fr/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onBeforeRequest):
function cancel(requestDetails) {
console.log("Canceling: " + requestDetails.url);
return {cancel: true};
}
browser.webRequest.onBeforeRequest.addListener(
cancel,
{urls: ["*://*.*.*/*"], types: ["image"]},
["blocking"]
);
This code and result is ok, is that i need ...But,how can I read the console.log ?? I don't found the file on my computer and no message are write on Firefox console ??