我在屏幕中间做了一个div,当指针进入div时,屏幕上会出现一个警告。还有其他方法吗?(不是mouseOver,鼠标输入和悬停的东西)
<body>
<script>
function myBox(){
document.addEventListener('mouseover',function msg(){ alert("You r in the box") })
}
</script>
<div onMouseOver="myBox()" id="box"> </div>
</body>
顺便说一下,我的代码是正常的,我需要用其他方式来完成而不是mouseOver和悬停...
答案 0 :(得分:1)
您可以使用css :悬停和显示:无;
但是css无法制作警报框架,所以它只能改变某个元素的样式
答案 1 :(得分:1)
仅限CSS 的 HTML 强>
<a>Hover over me!</a>
<div>Stuff shown on hover</div>
<强> CSS 强>
div {
display: none;
}
a:hover + div {
display: block;
}
<强>的Javascript 强>
function isOutside(evt, parent) {
var elem = evt.relatedTarget || evt.toElement || evt.fromElement
while ( elem && elem !== parent) {
elem = elem.parentNode;
}
if ( elem !== parent) {
return true
}
}
var parent = document.getElementById('parent')
parent.onmouseover = parent.onmouseout = function(e) {
e = e || event
if (isOutside(e, this)) {
parent.nextSibling.nodeValue = new Date() + ' ' + e.type
}
}
<强> HTML 强>
<div style="padding:10px;border: 1px solid blue" id="parent">
<p>Move the mouse in and outside of here. The blue box parent has <i>many</i> other <b>elements</b> inside.</p>
<p>They do not generate extra `mouseover/mouseout` events.</p>
</div>
event