mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
33 lines
788 B
HTML
33 lines
788 B
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<body>
|
|
<div id="message"></div>
|
|
<select id="s" autofocus>
|
|
<option>1</option>
|
|
<option>2</option>
|
|
<option>3</option>
|
|
</select>
|
|
<script>
|
|
function handler(e) {
|
|
document.getElementById('message').innerText += "down";
|
|
}
|
|
|
|
function handler2(e) {
|
|
document.getElementById('message').innerText += "click";
|
|
}
|
|
|
|
function handler3(e) {
|
|
document.getElementById('message').innerText += "up";
|
|
}
|
|
|
|
function handler4(e) {
|
|
document.getElementById('message').innerText += "change";
|
|
}
|
|
|
|
document.getElementById('s').addEventListener('mousedown', handler);
|
|
document.getElementById('s').addEventListener('click', handler2);
|
|
document.getElementById('s').addEventListener('mouseup', handler3);
|
|
document.getElementById('s').addEventListener('change', handler4);
|
|
</script>
|
|
</body>
|
|
</html> |