摘要：<!DOCTYPE html><html> <head> <meta charset="utf-8"> <title></title> <style> #dex{ width: 100px; height: 100px; background: cadetblue;
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
#dex{
width: 100px;
height: 100px;
background: cadetblue;
margin: 0 auto;
}
.Input{
text-align: center;
margin: 20px;
}
</style>
</head>
<body>
<div id="dex"></div>
<div class="Input">
<input type="button" value="变高" onclick="vHeight()"/>
<input type="button" value="变宽" onclick="vWidth()"/>
<input type="button" value="变色" onclick="vCor()"/>
<input type="button" value="重置" onclick="vSe()"/>
<input type="button" value="隐藏" onclick="vHide()"/>
<input type="button" value="出现" onclick="vShow()"/>
</div>
</body>
<script>
var dex;
function vHeight(){
dex=document.getElementById('dex');
dex.style.height='400px';
}
function vWidth(){
dex=document.getElementById('dex');
dex.style.width='400px';
}
function vCor(){
dex=document.getElementById('dex');
dex.style.background='red';
}
function vSe(){
dex=document.getElementById('dex');
dex.style.width='100px';
dex.style.height='100px';
dex.style.background='cadetblue';
}
function vHide(){
dex=document.getElementById('dex');
dex.style.display='none';
}
function vShow(){
dex=document.getElementById('dex');
dex.style.display='block';
}
</script>
<!--谢谢老师指导，老师辛苦了 感谢php中文网-->
</html>
批改老师：灭绝师太批改时间：2018-11-06 09:03:52
老师总结：不辛苦……课余时间可以多练习一些其他的例子
