Mozilla Developer Network (JS)

Triggers: !js, !mdnjs

Try it

Kagi would openhttps://developer.mozilla.org/en-US/search?topic=api&topic=js&q=trait+objects

URL template: https://developer.mozilla.org/en-US/search?topic=api&topic=js&q={{{s}}}

Searches developer.mozilla.org, filed under Languages (javascript).

Other bangs for developer.mozilla.org