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JS makes a floating layer effect pop up when the mouse passes over the text
- php中世界最好的语言Original
- 2018-06-14 10:18:593584browse
This time I will bring you JS to make a special effect of a floating layer popping up when the mouse passes over text. What are the precautions for making a special effect of popping up a floating layer when the mouse passes over text with JS? Here is a practical case, let's take a look.
For example, the CSDN notification (should be the bell at the top of the page after entering the page to write a new article), what is the specific implementation? The above code:
<!doctype html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>TEST</title>
</head>
<style type="text/css">
body{
position: relative;
}
#inform{
position: absolute;
top: 20px;
width: 350px;
max-height: 250px; /* 设置最大高度，当高度达到此值时出现滚动条 */
z-index: 10;
background-color: #E0E5E5;
overflow: auto; /* 自动添加滚动条 */
box-shadow:0px 0px 10px #000; /* 外阴影 */
display: none; /* 默认隐藏 */
}
#informTable{
table-layout:fixed; /* 用于实现表格td自动换行的部分代码*/
width: 325px;
}
#informTable tr td{
width: 325px;
height:30px;
font-size: 16px;
font-family: Georgia;
color: #555555;
word-wrap:break-word; /*自动换行*/
padding: 0 0 0 0;
}
#informTable tr td:hover{
background-color: #D9D9D9;
}
#inform hr{
border:1;
width: 325px;
margin-bottom: 0px;
}
</style>
<script type="text/javascript">
//显示悬浮层
function showInform(){
document.getElementById("inform").style.display='block';
// document.getElementById("inform").css("display","block");
}
//隐藏悬浮层
function hiddenInform(event){
var informp = document.getElementById('inform');
var x=event.clientX;
var y=event.clientY;
var px1 = informp.offsetLeft;
var py1 = informp.offsetTop;
var px2 = informp.offsetLeft + informp.offsetWidth;
var py2 = informp.offsetTop + informp.offsetHeight;
if( x < px1 || x > px2 || y < py1 || y > py2){
document.getElementById('inform').style.display='none';
}
}
</script>
<body>
<a id="btn" onMouseOver="javascript:showInform();" onMouseOut="hiddenInform()">
警告消息
</a>
<p id="inform" onMouseOver="javascript:showInform();" onMouseOut="hiddenInform(event)">
<table id="informTable">
<tr>
<td>
编号5005车辆发车间隔异常
<hr/>
</td>
</tr>
<tr>
<td>
编号5005车辆发车间隔异常
<hr/>
</td>
</tr>
<tr>
<td>
编号5005车辆发车间隔异常
<hr/>
</td>
</tr>
<tr>
<td>
编号5005车辆发车间隔异常
<hr/>
</td>
</tr>
<tr>
<td>
编号5005车辆发车间隔异常
<hr/>
</td>
</tr>
<tr>
<td>
编号5005车辆发车间隔异常
<hr/>
</td>
</tr>
<tr>
<td>
编号5005车辆发车间隔异常
<hr/>
</td>
</tr>
<tr>
<td>
编号5005车辆发车间隔异常
<hr/>
</td>
</tr>
</table>
</p>
</body>
</html>
The rendering is as follows:
I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related matters on the PHP Chinese website article!
Recommended reading:
How to determine the user’s sliding direction in H5 touch events
Angularjs makes controllers communicate with each other Detailed explanation
The above is the detailed content of JS makes a floating layer effect pop up when the mouse passes over the text. For more information, please follow other related articles on the PHP Chinese website!