JSFiddle - React, Tailwind, and code Playground

HTML

<form action="">
    <button>innocent button</button>
    <select multiple name="multiple">
    <option selected value="a">A</option>
    <option value="b">B</option>
</select>
<input style="width:300px" type="text" value="press here enter and look at the multiple select" name="" />
</form>

JavaScript

console.log('hi');


            var $button = $('button');

            $button.on('click',function(e){

                $('select option').first().attr('selected',false);
                e.preventDefault();

            });