通过JS如何实现延迟隐藏功能

程序员文章站 2022-03-25 14:45:06

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下面我就为大家分享一篇JS实现延迟隐藏功能的方法(类似QQ头像鼠标放上展示信息)，具有很好的参考价值，希望对大家有所帮助。

JS实现延迟隐藏

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>延迟隐藏</title>
 <style>
 #p1{
  width:100px;
  height:100px;
  background:yellow; 
  border: 5px solid #999;
  border-radius: 10px;
  position: absolute;
  right: 50px;
  text-align: center;
  line-height: 100px;
  margin-bottom:10px;
 }
 #p2{
  width:200px;
  float: left;
  height:200px;
  border: 5px solid #999;
  border-radius: 10px;
  position: absolute;
  right:160px;
  text-align: center;
  line-height: 200px;
  background:green;
  display:none;
 }
</style>

<script>
 window.onload=function(){
  var p1=document.getElementById("p1");
   p1.innerHTML="鼠标请放上！";
  var p2=document.getElementById('p2');
   p2.innerHTML="鼠标请移开！";
  var timer=null;
  p1.onmouseover= function(){  
    clearTimeout(timer);
    p2.style.display='block';
  };
   p1.onmouseout= function(){
   clearTimeout(timer);
    timer= setTimeout(function(){
      p2.style.display='none';
    }, 700);
  };
  p2.onmouseover=function(){
   clearTimeout(timer);
  };
  p2.onmouseout=function(){
   clearTimeout(timer);
    timer=setTimeout(function(){p2.style.display='none';},700);   
  }
 }
</script>
</head>
<body>
<p id="p1"></p>
<p id="p2"></p>
 
</body>
</html>

通过JS如何实现延迟隐藏功能