Acara pengumpulan kursor tutorial asas Javascript
onfocus Cursor gathering event
Mari kita tulis contoh cursor gathering event
Kodnya adalah seperti berikut:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>光標聚集事件</title>
</head>
<body>
<form>
來自：<select name="op" onfocus="onf()">
<option>安徽</option>
<option>池州</option>
<option>安慶</option>
<option>六安</option>
<option>阜陽</option>
</select>
</form>
<script type="text/javascript">
function onf(){
alert('請選擇，您來自哪里');
}
</script>
</body>
</html>
