My favorite autocomplete library is an ancient version of bootstrap-typeahead.js by Twitter. A single file with less than 400 lines of Javascript. They don't make these anymore :)
I use it everywhere where I need autcompletion. For example on the Music-Map:
I use it everywhere where I need autcompletion. For example on the Music-Map:
https://www.music-map.com
I made a fork of the code which is available here:
https://www.gibney.org/0g-typeahead