JSFiddle - React, Tailwind, and code Playground

by Nilantha Piyasiri

HTML

<select id='sel_box' onchange='javascript:changer();'>
        <option>orange</option>
        <option>white</option>
        <option>red</option>
        <option>green</option>
    </select>
    <input id='txt_box' type='text' value='message' size='50' />

JavaScript

function changer() {
            document.getElementById('txt_box').value = document.getElementById('sel_box').options[document.getElementById('sel_box').selectedIndex].text; //Value;
}