abstract：改变元素的宽 高 背景颜色 重置 隐藏 显示 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta&nb
改变元素的宽 高 背景颜色 重置 隐藏 显示
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Dom操作</title>
<style>
#box{
width: 100px;
height: 100px;
background: red;
margin: 20px 80px;
}
</style>
</head>
<body>
<div id="box"></div>
<input type="button" value="变高" onclick="aa();">
<input type="button" value="变宽" onclick="bb();">
<input type="button" value="变色" onclick="cc();">
<input type="button" value="重置" onclick="dd();">
<input type="button" value="隐藏" onclick="ee();">
<input type="button" value="显示" onclick="ff();">
<script>
window.onload = function () {
box = document.getElementsById('box');
}
function aa() {
box.style.height = '200px';
}
function bb() {
box.style.width = '300px';
}
function cc() {
box.style.background= 'pink';
}
function dd() {
box.style.height = '100px';
box.style.width = '100px';
box.style.background = 'red';
}
function ee() {
box.style.display = 'none';
}
function ff(){
box.style.display = 'block';
}
</script>
</body>
</html>
Correcting teacher：天蓬老师Correction time：2019-03-19 15:49:31
Teacher's summary：你的函数命名太随意了, 下次用有点意义 的吧