Reddit: hide posts by keyword
Hides feed posts whose title contains an unwanted word from a simple list you edit at the top of the script.
Code to copy
// Hide feed posts whose title contains an unwanted keyword
const BLOCK = ['giveaway', 'crypto', 'nsfw', 'spoiler'];
function filterFeed() {
document.querySelectorAll('shreddit-post').forEach(function (p) {
if (p.dataset.jzChecked) { return; }
const title = (p.getAttribute('post-title') || p.textContent || '').toLowerCase();
const hit = BLOCK.some(function (w) { return title.indexOf(w) !== -1; });
if (hit) {
const card = p.closest('article') || p;
card.style.display = 'none';
}
p.dataset.jzChecked = '1';
});
}
filterFeed();
const obs = new MutationObserver(filterFeed);
obs.observe(document.documentElement, { childList: true, subtree: true });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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