JSFiddle - React, Tailwind, and code Playground

HTML

<select class="ddl1">
    <option value="a">Apple</option>
    <option value="b">Ball</option>
    <option value="c">Cat</option>
</select>

JavaScript

$(".ddl1").each(function() {
    if ($('.ddl1').val() == "b") {
        $('.ddl1').attr("selected", "selected");
        return;
    }            
});