底下代码 不过是类似你这效果，js移动鼠标估计不行
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
</head>
<body>
<button style="width: 200pxheight: 100pxdisplay: block">确定</button>
<button id="false" name="false" style="width: 200pxheight: 100px">取消</button>
<button id="false1" name="false" style="visibility: hiddenwidth: 200pxheight: 100px">取消</button>
</body>
<script type="text/javascript">
$("#false").hover(function() {
$(this).css({"visibility": "hidden"})
$("#false1").css({"visibility": "visible"})
})
$("#false1").hover(function() {
$(this).css({"visibility": "hidden"})
$("#false").css({"visibility": "visible"})
})
/*$("button[name='false']").each(function() {
})*/
</script>
</html>
<input onkeydown="if(event.keyCode==32||event.keyCode==188||event.keyCode==222){return false}" />:32
,:188
':222
不知道对应code是多少你可以<input onkeydown="alert(event.keyCode)" />在这个文本框中按键盘获得
