history对象

history内部三种方法:
history.forward() //前进
history.back() //后退 
history.go(参数) //-1(后退), 1(前进), 0(当前页面)

一个属性:length //(浏览的页面的个数)
history.length

HTML1

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="button" value="前进" onclick="func1();">
<a href="histroy_lesson2.html">lesson2</a>
<script>
      function func1() {
//            history.forward();
          history.go(1);
      }
</script>
</body>
</html>

HTML2

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="button" value="后退" onclick="func2();">
<script>
    // history内部三种方法:forward back go 一个属性:length

    function func2() {
//        history.back();
        history.go(-1);
        alert(history.length)
    }
</script>
</body>
</html>

 

posted on 2017-12-30 16:23  JieFangZhe  阅读(108)  评论(0编辑  收藏  举报

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