Add a bell emoji to unread comments on HackerNews
source link: https://gist.github.com/linkdd/76fd57d02480c3e36a4e3f8ce39322b1
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// Can be used with https://github.com/xcv58/Custom-JavaScript-for-Websites-2 // This snippet is released under the terms of the CC0 license: https://creativecommons.org/publicdomain/zero/1.0/deed.en
const url = window.location.toString().split('#')[0] // remove anchor const cache = JSON.parse(localStorage.getItem(url) || '{}')
document.querySelectorAll('.athing.comtr').forEach(comm => { if (!cache[comm.id]) { const span = document.createElement('span') span.innerHTML = '🔔' // :bell: emoji comm.querySelector('.comhead').append(span) } cache[comm.id] = true })
localStorage.setItem(url, JSON.stringify(cache))
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