javascript学习代码--点击按钮显示内容

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<title>test2</title>

</head>



<body>

<h3>Test JavaScript</h3>

<P>点击显示抽奖</P>

<button type="button" name="button" id="button" onclick="myFunction()">抽奖</button>

<div id="demo"></div>

<script type="text/javascript">

    function myFunction(){

        var carname = "你中奖了!VOlVO Car";

        document.getElementById("demo").innerHTML = carname;

    }

</script>

</body>

</html>

 

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