1. 程式人生 > 實用技巧 >Javascript(2)——BOM

Javascript(2)——BOM

1.概述以及組成

2.Window物件

(1)彈出方法

(2)開啟和關閉方法

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


</head>
<body>

<input id="open" type="button" value="開啟視窗">
<input id="off" type="button" value="關閉視窗">
<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)定時器方法

(4)屬性

3.location物件

案列 自動跳轉頁面

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

</head>
<body>

  <P>
      <span id="time">5</span> s將跳轉到百度頁面...
  </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物件