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Hacker News: New Comment Marker
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| // ==UserScript== | |
| // @name Hacker News: New Comment Marker | |
| // @description Make "new" comments since your last visit especially visible | |
| // @downloadURL https://gist.github.com/noscript/b0420686256ab961e4e3f668bf9f1f5b/raw/hacker-news-new-comment-marker.user.js | |
| // @namespace https://gist.github.com/noscript | |
| // @grant GM_addStyle | |
| // @grant GM_getValue | |
| // @grant GM_setValue | |
| // @version 3 | |
| // @include https://news.ycombinator.com/item?id=* | |
| // ==/UserScript== | |
| GM_addStyle('.unread { background: #FBFB78; }'); | |
| let postId = document.location.href.replace(/.*\?id=/, ''); | |
| let oldLatest = GM_getValue(postId, 0); | |
| let newLatest = 0; | |
| Array.from(document.querySelectorAll(".comhead .age")).forEach((el) => { | |
| let timestamp = Date.parse(el.title); | |
| if (oldLatest > 0 && timestamp > oldLatest) { | |
| el.closest('table').classList.add('unread'); | |
| } | |
| if (timestamp > newLatest) { | |
| newLatest = timestamp; | |
| } | |
| }); | |
| GM_setValue(postId, newLatest); |
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