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>光标聚集事件</title>
</head>
<body>
	<form>
	来自：<select  name="op" onfocus="onf()">
			<option>安徽</option>
			<option>池州</option>
			<option>安庆</option>
			<option>六安</option>
			<option>阜阳</option>
		</select>
	</form>

	<script type="text/javascript">
			function onf(){
				alert('请选择，您来自哪里');
			}
	</script>
</body>
</html>

bahagian seterusnya

fail baharu

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>光标聚集事件</title>
</head>
<body>
	<form>
	来自：<select name="op" onfocus="onf()">
			<option>安徽</option>
			<option>池州</option>
			<option>安庆</option>
			<option>六安</option>
			<option>阜阳</option>
		</select>
	</form>

	<script type="text/javascript">
			function onf(){
				alert('请选择，您来自哪里');
			}
	</script>
</body>
</html> 

serahkan Tetapkan Semula Kod

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