<body onload="showalert()">
	<h2>「alert()」函數範例 - JS - 萌芽の網頁設計實驗室</h2>
	<p>網站內容：提示訊息示範</p>
	<input type="button" onclick="showalert()" value="點我跳出提示視窗" />
</body>
body{
  padding: 20px;
  background: #eaeaea;
}
	function showalert(){
		alert("這是一個提示訊息！\n「\\n」可以使提示訊息換行。");
	}

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