back()

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.

back()方法会在会话历史记录中向后移动一页。如果没有上一页，则此方法调用不执行任何操作。

语法

js
back()

示例

下述简短示例使页面上的按钮导航页面至会话历史的后一项。

HTML

html
<button id="go-back">Go back!</button>

JavaScript

js
window.onload = function (e) {
  document.getElementById("go-back").addEventListener("click", (e) => {
    window.history.back();
  });
};

规范

Specification
HTML Standard
# dom-history-back-dev

浏览器兼容性

BCD tables only load in the browser