JSFiddle - React, Tailwind, and code Playground

by Alexis LĂłpez Espinoza

HTML

<select id = "a">
    <option value = 1>Uno</option>
    <option value = 2>Dos</option>
    <option value = 3>Tres</option>
</select>

JavaScript

var select = document.getElementById("a");
select.addEventListener("change", function(){
    switch (this.value){
        case "1":
            alert("One");
            break;
            
        case "2":
            alert("Two");
            break;
            
        case "3":
            alert("Three");
            break;
    }
}, false);