VS Code Web: sticky line-count badge
Shows a fixed corner badge with the line count of the active file (works on github.dev too).
Code to copy
/* Sticky badge on the editor toolbar showing total line count (works on github.dev too) */
(function () {
if (document.getElementById('vsc-line-badge')) return;
const badge = document.createElement('div');
badge.id = 'vsc-line-badge';
Object.assign(badge.style, {
position: 'fixed', right: '20px', top: '60px', zIndex: 99999,
padding: '4px 10px', background: '#1f2328', color: '#7ee787',
borderRadius: '12px', fontFamily: 'ui-monospace, monospace',
fontSize: '11px', boxShadow: '0 2px 6px rgba(0,0,0,0.3)',
pointerEvents: 'none'
});
document.body.appendChild(badge);
const update = () => {
const lines = document.querySelectorAll('.monaco-editor .view-line').length;
badge.textContent = lines + ' lines';
badge.style.display = lines ? '' : 'none';
};
update();
new MutationObserver(update).observe(document.body, { 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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