<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Event KeyCodes</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div id="insert">
<div class="key">
Press Any Key to get the KeyCode
</div>
</div>
<script src="script.js"></script>
</body>
</html>
*{
box-sizing: border-box;
}
body{
background-color: #e1e1e1;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.key{
border: 1px solid #999;
background-color: #eee;
box-shadow: 1px 1px 3px rgba(0,0,0,0.1);
display: inline-flex;
font-size: 20px;
font-weight: bold;
padding: 20px;
flex-direction: column;
margin: 10px;
min-width: 150px;
position: relative;
text-align: center;
}
.key small{
position: absolute;
top: -24px;
left: 0;
text-align: center;
width: 100%;
color: #555;
font-size: 14px;
}
const insert = document.getElementById('insert')
window.addEventListener('keydown', (event) => {
insert.innerHTML = `
<div class="key">
${event.key === ' ' ? 'Space' : event.key}
<small>event.key</small>
</div>
<div class="key">
${event.keyCode}
<small>event.keyCode</small>
</div>
<div class="key">
${event.code}
<small>event.code</small>
</div>
`
})
结果如下:
Q.E.D.
