网页设计-简易版计算器HTML5 CSS JS
标题效果如图：
代码：
HTML搭建整体框架，CSS排列布局，JS实现相应的计算器功能
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>计算器</title>
<style> /*CSS*/
div{
width: 270px;
height: 390px;
background-color:#c1c1c1;
position: fixed;
border-radius: 18px;
left: 40px;
top: 80px;
border:solid 1px #000;
}
input{
height: 37px;
width: 200px;
position: relative;
left: 30px;
top: 30px;
font-size: 16px;
border-radius: 8px;
}
td{
padding: 5px;
position: relative;
left: 20px;
top: 40px;
}
button{
width: 45px;
height: 45px;
border:solid 1px #000;
border-radius: 18px;
font-size: 20px;
font-weight: 100;
background-color: #fff;
}
</style>
</head>
<body>
<div>
<table>
<tr><input type="text"></tr>
<tr>
<td><button id="%">%</button></td>
<