History.length

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

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

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

规范

Specification
HTML Standard
# dom-history-length-dev

浏览器兼容性

BCD tables only load in the browser

参考

  • The History interface it belongs to.