AutoSuggest is a Web Component, wrapping an input and a <datalist> or <ul>.
It exposes several events, see the console. Try it out by typing the placholder-text.
Documentation in Markdown.
A non-web-component version is also available.
With list-mode="ul"
With list-mode="ul" and custom render-method:
With custom render-method, using nationalize.io: