plainJS

Libraries / UI

MenuSpy

A JavaScript library to make navigation menus highlight the item based on currently in view section.

No-build verifiedDormant0 dependenciesScript tagMIT

Facts

Facts fetched 2026-10-30 by the directory sync (GitHub, npm, jsDelivr, deps.dev). Nothing here is typed by hand.
Size3.1 KB minified, 1.3 KB gzipped (dist/menuspy.js)
LicenceMIT
Dependenciesnone
Last releasev1.3.0, January 2018
Last activity2021-06-07 (Dormant)
Stars301 on GitHub
Formatsclassic script (global MenuSpy)
CDN hits122,768 a month on jsDelivr
npm downloads1,514 a month
GatesG1 passed (no runtime dependencies); G2 passed (loads in a browser as it is); G3 passed (no compile-only entry points); G4 passed (open-source licence); G5 passed (not archived or deprecated). Smoke test on v1.3.0 in headless Chromium, 2026-10-30

Load it

Pin the version. The hash is computed from the file jsDelivr serves, so a changed file fails to load instead of running.

htmlscript tag, with SRI
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/menuspy.js"
        integrity="sha384-p6nom2MYA+SgkEqo/+IYtarPRLtrQCpOimyIVuotqv525tdhi0MGYqqdGCcue/+V" crossorigin="anonymous"></script>
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Entry 124 in the directory. Facts refreshed monthly; last run 2026-10-30.