Hugh's point is incredibly important. You don't really want one hundred thousand <option> elements in your DOM as your "auto-complete" solution. To be h

Hugh's point is incredibly important. You don't really want one hundred thousand <option> elements in your DOM as your "auto-complete" solution. To be honest, datalists are pretty worthless for every situation where I've needed to implement auto-complete functionality in projects, simply because the universe of possible entries has been always been huge.