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盒子移动.html
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盒子移动.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
#warp {
position: relative;
width: 300px;
height: 300px;
top: 200px;
left: 200px;
background-color: blue;
}
</style>
</head>
<body>
<div id="warp"></div>
<script>
let warp = document.getElementById("warp")
let t = 200
let l = 200
//盒子移动封装函数
document.onkeydown = function (e) {
switch (e.keyCode) {
case 37:
l -= 20
break
case 38:
t -= 20
break
case 39:
l += 20
break
case 40:
t += 20
break
case 65:
l -= 20
break
case 87:
t -= 20
break
case 68:
l += 20
break
case 83:
t += 20
break
}
warp.style.top = t + "px"
warp.style.left = l + "px"
}
</script>
</body>
</html>