TAG
JavaScript
Result
Run
License
<select id="fruits" name="fruits" size="3" form="form-test"> <option value="apple">Apple</option> <option value="banana">Banana</option> <option value="carrot">Carrot</option> <option value="dewberry">Dewberry</option> <option value="eggplant">Eggplant</option> </select> <form id="form-test" action="/assist/example/http/form-receivers.php" target="_blank"> <button type="submit">Send</button> </form>
document.addEventListener("DOMContentLoaded", () => { let elFruits = document.getElementById("fruits"); elFruits.required = true; });
Console
expand_less
License
License
by DevDic
Close