dzVJDhUP

1let listURL = [
2    "*://*.facebook.com/*",
3    "*://*.yandex.ru/*"
4];
5
6function blockRequest(details) {
7    return {cancel: true};
8}
9
10function updateFilters(urls) {
11    if(chrome.webRequest.onBeforeRequest.hasListener(blockRequest)) {
12        chrome.webRequest.onBeforeRequest.removeListener(blockRequest);
13    }
14    chrome.webRequest.onBeforeRequest.addListener(blockRequest, {
15        urls: urls
16    }, ['blocking']);
17    chrome.webRequest.handlerBehaviorChanged();
18}
19
20updateFilters(listURL);
21
22document.getElementById('delete').addEventListener('click', function(e) {
23    e.preventDefault();
24    updateFilters(["*://*.yandex.ru/*"]);
25});