DOMImplementation.createDocumentType()

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.

DOMImplementation.createDocumentType() 方法返回一个 DocumentType 对象,它可以在文档创建时用在 DOMImplementation.createDocument ,或者通过Node.insertBefore()Node.replaceChild() 等方法放在文档中。

语法

var doctype = document.implementation.createDocumentType(qualifiedNameStr, publicId, systemId);

参数

qualifiedNameStr

DOMString 类型的值,包含一个合规的名称,如 svg:svg

publicId

DOMString 类型的值,包含 PUBLIC 标识符。

systemId

DOMString 类型的值,包含 SYSTEM 标识符。

示例

js
var dt = document.implementation.createDocumentType(
  "svg:svg",
  "-//W3C//DTD SVG 1.1//EN",
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd",
);
var d = document.implementation.createDocument(
  "http://www.w3.org/2000/svg",
  "svg:svg",
  dt,
);
alert(d.doctype.publicId); // -//W3C//DTD SVG 1.1//EN

规范

Specification
DOM
# ref-for-dom-domimplementation-createdocumenttype①

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
createDocumentType

Legend

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

Full support
Full support

参见