您可以将jQuerykeydown()方法与该animate()方法结合使用,以<div>通过按键盘上的相应箭头键在左,右,上和下方向移动元素。让我们看一个例子,看看它是如何工作的:
例试试这个代码»
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery Move DIV Element with Arrow Keys</title>
<style>
.box{
width: 100px;
height: 100px;
position: relative;
margin: 200px auto 0;
background: yellowgreen;
}
</style>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script>
$(document).keydown(function(e){
switch (e.which){
case 37: //left arrow key
$(".box").finish().animate({
left: "-=50"
});
break;
case 38: //up arrow key
$(".box").finish().animate({
top: "-=50"
});
break;
case 39: //right arrow key
$(".box").finish().animate({
left: "+=50"
});
break;
case 40: //bottom arrow key
$(".box").finish().animate({
top: "+=50"
});
break;
}
});
</script>
</head>
<body>
<p><strong>Note:</strong> Click inside the viewport and press the arrow keys to move the box.</p>
<div class="box"></div>
</body>
</html>
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