How to achieve autocomplete feature over HTML drop-down or select element?

Question

Hi I am trying to create auto completion functionality for a drop-down OR select html form element.

I need a functionality like once us

Answer 1

The simplest searchable dropdown using bootstrap:

    Alabama
    Alaska 
    Arizona 
    Arkansas 
    California 
    Colorado 
    Connecticut 
    Delaware 
    Florida 
    Georgia 
    Hawaii 
    Idaho 
    Illinois Indiana 
    Iowa 
    Kansas 
    Kentucky 
    Louisiana 
    Maine 
    Maryland 
    Massachusetts 
    Michigan 
    Minnesota 
    Mississippi 
    Missouri 
    Montana Nebraska 
    Nevada 
    New Hampshire 
    New Jersey 
    New Mexico 
    New York 
    North Carolina 
    North Dakota 
    Ohio 
    Oklahoma 
    Oregon 
    Pennsylvania Rhode Island 
    South Carolina 
    South Dakota 
    Tennessee 
    Texas 
    Utah 
    Vermont 
    Virginia 
    Washington 
    West Virginia 
    Wisconsin 
    Wyoming








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