Find huge z-index values
Highlights and logs to the console elements with a z-index of 1000 or higher, sorted descending.
Code to copy
try {
const hits = [];
document.querySelectorAll('*').forEach(function (el) {
const z = parseInt(getComputedStyle(el).zIndex, 10);
if (!isNaN(z) && z >= 1000) {
el.style.outline = '2px solid #B16286';
hits.push({ el: el, z: z });
}
});
hits.sort(function (a, b) { return b.z - a.z; });
console.log('JustZix: ' + hits.length + ' elements with z-index >= 1000');
hits.slice(0, 20).forEach(function (h) { console.log(h.z, h.el); });
} catch (err) { console.error('JustZix z-index scan:', err); }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.
- Enable the action panel, add a button in the Actions tab and paste the code into it — run it with one click.
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