JSFiddle - React, Tailwind, and code Playground

HTML

<select id="sel">
    <option value="">Select</option>
    <option value="car">1</option>
    <option value="bike">2</option>
    <option value="bus">3</option>
    <option value="cycle">4</option>
</select>

JavaScript

document.getElementById('sel').value = 'car';