abstrak：<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>changeDIV</title> <style type="text/css"> #box{ width:&
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>changeDIV</title>
<style type="text/css">
#box{
width: 100px;height: 100px;
background: red;margin: 20px 80px;
}
</style>
</head>
<body>
<!-- 用按鈕控制DIV高度,寬度，顏色，重置，隱藏，顯示 -->
<div id="box"></div>
<input type="button" value="變高" onclick="aa()">
<input type="button" value="變寬" onclick="bb()">
<input type="button" value="變色" onclick="cc()">
<input type="button" value="重置" onclick="dd()">
<input type="button" value="隱藏" onclick="ee()">
<input type="button" value="顯示" onclick="ff()">
<script type="text/javascript">
var box;
window.onload = function (){
box = document.getElementById('box');
}
function aa(){// 改變高度
box.style.height = '400px';
}
function bb(){// 改變寬度
box.style.width = '400px';
}
function cc(){// 改變顏色
box.style.background = 'pink';
}
function dd(){// 重置
box.style.height = '100px';
box.style.width = '100px';
box.style.background = 'red';
}
function ee(){// 隱藏
box.style.display = 'none';
}
function ff(){// 顯示
box.style.display = 'block';
}
</script>
</body>
</html>
Guru membetulkan：滅絕師太Masa pembetulan：2019-03-18 09:30:14
Rumusan guru：完成的很好,這只是上課練習,下次最好帶上案例測試!