JSFiddle - React, Tailwind, and code Playground

HTML

<select id="type">
    <option value="item1">item1</option>
    <option value="item2">item2</option>
    <option value="item3">item3</option>
</select>

<select id="size">
    <option value="">-- select one -- </option>
</select>

JavaScript

$(document).ready(function() {

    $("#type").change(function() {
        var val = $(this).val();
        if (val == "item1") {
            $("#size").html("<option value='test'>item1: test 1</option><option value='test2'>item1: test 2</option>");
        } else if (val == "item2") {
            $("#size").html("<option value='test'>item2: test 1</option><option value='test2'>item2: test 2</option>");

        } else if (val == "item3") {
            $("#size").html("<option value='test'>item3: test 1</option><option value='test2'>item3: test 2</option>");

        }
    });


});