History.length - Web API 接口参考 编辑

History.length是一个只读属性，返回当前session中的history个数，包含当前页面在内。举个例子，对于新开一个tab加载的页面当前属性返回值1。

 

语法

 

length = history.length;

例子

var result = window.history.length; // 返回当前session中的history个数

说明

说明	状态	注释
HTML Living Standard History.length	Living Standard	No change from HTML5.
HTML5 History.length	Recommendation	Initial definition.

浏览器兼容性

BCD tables only load in the browser

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

参考

• The History interface it belongs to.