abstract：<!DOCTYPE html><html><head> <title>js控制div</title> <style type="text/css"> #box{width:150px;height:150px;background:#ccc;text-align:center;margin:20px 65p
<!DOCTYPE html>
<html>
<head>
<title>js控制div</title>
<style type="text/css">
#box{width:150px;height:150px;background:#ccc;text-align:center;margin:20px 65px}
</style>
</head>
<body>
<div id="box"></div>
<input type="button" value="变高" onclick="zg()">
<input type="button" value="变宽" onclick="zk()">
<input type="button" value="变色" onclick="bs()">
<input type="button" value="变圆角" onclick="byj()">
<input type="button" value="重置" onclick="cz()">
<input type="button" value="隐藏" onclick="yc()">
<input type="button" value="显示" onclick="xs()">
<input type="button" value="写入" onclick="xr()">
<input type="button" value="换图" onmouseover="ys()">
<input type="hidden" id="imgsrc">
<script type="text/javascript">
var box
window.onload=function (){
box=document.getElementById("box")
}
function zg(){
box.style.height="300px"
}
function zk(){
box.style.width="300px"
}
function bs(){
box.style.background="red"
}
function cz(){
box.style.width="150px"
box.style.height="150px"
box.style.background="#ccc"
box.style.borderRadius="0px"
box.innerHTML=""
}
function yc(){
box.style.display="none"
}
function xs(){
box.style.display="block"
}
function byj(){
box.style.borderRadius="50px"
}
function xr(){
box.innerHTML="<img id='image'src='images/timg.jpg' onmouseover='overs()' onmouseleave='leaves()'/>"
box.style.textAlign="center"
box.style.lineHeight="150px"
}
function ys(){
document.getElementById('image').src="images/1.jpg"
}
function overs(){
document.getElementById('imgsrc').value = document.getElementById('image').src;
document.getElementById('image').src = 'images/timg.jpg';
}
// 鼠标移出img
function leaves(){
document.getElementById('image').src = document.getElementById('imgsrc').value;
}
</script>
</script>
</body>
</html>
经过老师指导才知道鼠标移上元素和移出元素可以这样用，谢谢勒，下一步就是多多练习剩余的获取方式,主要是单词记不住，老容易忘记需要查书册，问老师，我感觉还是不熟练
Correcting teacher：韦小宝Correction time：2019-02-21 17:29:26
Teacher's summary：单词记不住很正常 哪有能把所有单词都记住的呢 要知道怎么去查就可以了