HTMLMetaElement:httpEquiv 属性

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.

HTMLMetaElement.httpEquiv 属性读取或设置 HTMLMetaElement.content 属性对应的 pragma 指令或 HTTP 响应标头名称。关于可能值的更多细节,请参阅 http-equiv 属性。

一个字符串。

示例

读取 meta 元素的 http-equiv

以下示例查询一个 <meta> 元素的 http-equiv 属性。http-equiv 属性被输出到控制台,以显示 refresh pragma 指令,它指示浏览器在 content 属性定义的秒数后刷新页面:

js
// 假设 <meta http-equiv="refresh" content="10" />
const meta = document.querySelector("meta[http-equiv]");
console.log(meta.httpEquiv);
// refresh
console.log(meta.content);
// 10

规范

Specification
HTML
# dom-meta-httpequiv

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
httpEquiv

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

参见