LTLに更新あったら、トースト通知あり、chromeではできた、「上級者向け UI を有効にする」の状態で確認、ブラウザの通知設定でqiitadonがブロックされていたら出ない

index.js

(()=>{let old_id=document.getElementsByClassName("item-list")[2].firstElementChild.dataset.id;const timer=setInterval(()=>{let new_id=document.getElementsByClassName("item-list")[2].firstElementChild.dataset.id;console.log(old_id,new_id);if(old_id!==new_id){old_id=new_id;console.log("new toot!");new Audio("data:audio/wav;base64,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").play();const parentElm = [...document.querySelectorAll('.column-header')].find(v => /ローカルタイムライン/.test(v.textContent)).parentElement.parentElement;new Notification(parentElm.querySelector(".display-name__html").textContent, { body: parentElm.querySelector('.status__content')?.textContent ?? '', icon: parentElm.querySelector('.account__avatar, account__avatar-overlay-base')?.style?.backgroundImage?.replace(/^url\("|"\)/g, '') ?? ''});}},1000);})()

https://gist.github.com/hidao80/8159130b02669993864e4734af2b4408