极客观点
项目管理
HarmonyOS
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8" />
<title>js2</title>
<style type="text/css">
#div1 {width:300px;
height:300px;
background:blue;
}
</style>
<script>
function toGreen()
{var change=document.getElementById('div1');
change.style.width='400px';
change.style.height='400px';
change.style.background='green';
}
function toBlue()
{var change=document.getElementById('div1');
change.style.width='300px';
change.style.height='300px';
change.style.background='blue';
}
</script>
</head>
<body>
<div id="div1" onmouseover="toGreen" onmouseout="toBlue">
</div>
</body>
</html>
html5