<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>èé¸æç¨(runoob.com)</title>
<script>
function displayDate(){
document.getElementById("demo").innerHTML=Date();
}
</script>
</head>
<body>
<h1>æç第ä¸ä¸ª JavaScript ç¨åº</h1>
<p id="demo">è¿æ¯ä¸ä¸ªæ®µè½</p>
<button type="button" onclick="displayDate()">æ¾ç¤ºæ¥æ</button>
</body>
</html>
ä½ å¥½ï¼æ¬é¢å·²è§£ç,å¦æ满æ
请ç¹å³ä¸è§âé纳çæ¡âã