Hacker News: highlight the story author's comments
Marks every comment written by the original poster of the story with a label and a tinted background.
Code to copy
// Highlight comments written by the story's original poster
(function () {
const opLink = document.querySelector('.fatitem .hnuser');
if (!opLink) { return; }
const op = opLink.textContent.trim();
document.querySelectorAll('.comtr .comhead .hnuser').forEach(function (u) {
if (u.textContent.trim() === op) {
const tag = document.createElement('span');
tag.textContent = ' [OP]';
tag.style.cssText = 'color:#ff6600;font-weight:bold;';
u.after(tag);
const cell = u.closest('.comment');
if (cell) { cell.style.background = 'rgba(255,102,0,0.10)'; }
}
});
})();How to use this example
- Copy the code with the button above.
- Install JustZix (2 minutes) and open the extension on the target page.
- Add a new rule matching that page.
- Paste the code into the rule's JavaScript panel and save — it runs on every page visit.
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