Javascript(2)——BOM

1.概述以及组成

 

2.Window对象

(1)弹出方法

 

(2)打开和关闭方法

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>title</title>


</head>
<body>

<input id="open" type="button" value="打开窗口">
<input id="off" type="button" value="关闭窗口">
<script>
   var element = document.getElementById("open");
   var newwindow;
   element.onclick=function () {
      newwindow=open("https://www.baidu.com");
   }
   var element1 = document.getElementById("off");
   element1.onclick=function () {
       newwindow.close();
   }
</script>
</body>
</html>

 (3)定时器方法

 (4)属性

 

 

3.location对象

 

 

案列 自动跳转页面 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>自动跳转</title>
    <style>
        p{
            text-align: center;
        }
        span{
            color: red;
        }
    </style>

</head>
<body>

  <P>
      <span id="time">5</span> s将跳转到百度页面...
  </P>
  <script>
      var elem=document.getElementById("time");
      var number=5;
      function fun() {
          number--;
          if(number<=0)
          {
              location.href="https://www.baidu.com/";
          }
          elem.innerHTML=number+"";
      }
      setInterval(fun,1000);
  </script>
</body>
</html>

4.History对象

  

 

posted @ 2020-07-24 10:49  YUNNEN  阅读(276)  评论(0编辑  收藏  举报