jaa pierdolę

Notification.requestPermission();
const strip = (html) => {
    let doc = new DOMParser().parseFromString(html.replace(/<br>/gi, '\n'), 'text/html');
    return doc.body.textContent || "";
}

let thisTab = 0, active=1;
let bc = new BroadcastChannel('superjavascript');
bc.onmessage = ev => {
    if (ev.data == "new tab") thisTab++;
    else if (parseInt(ev.data) < thisTab) active = 0;
    console.log("otrzymane dane: "+ev.data);
}
bc.postMessage('new tab');

const powiadomienie = (data) => {
    console.log("ta karta: "+thisTab)
    if ((document.hasFocus() && (window.location.href.includes(data.threadId) || !/\d/.test(window.location.href))) || typeof curbs[data.boardId][data.threadId] !== "undefined") {
        bc.postMessage("-1");
        active = 0;
    } else bc.postMessage(thisTab);
    setTimeout(() => {
        if (active) {
            const img = typeof data.file !== "undefined" ? `https://wilchan.org/boards/${data.boardId}/thumb/${data.fileThumbName}` : "";
            const text = strip(data.message);
            let notification = new Notification('Kliknij, aby przejść do tematu', { body: text, image: img });
            console.log('to tutaj wysłano');
            notification.onclick = (event) => {
                event.preventDefault();
                const win = window.open(`https://wilchan.org/${data.boardId}/thread/${data.threadId}#${data.postId}`, '_blank');
                win.focus();
            }
        }
        active = 1;
    }, 200)
}

sseCreateFunctionArray.push(powiadomienie);