DOMImplementation.createDocument()

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.createDocument()方法创建并返回一个 XMLDocument对象。

语法

doc = document.implementation.createDocument(namespaceURI, qualifiedNameStr, documentType);

参数

namespaceURI

被创建的DOMString 文档的 namespace URI 是 namespace URI ,如果文档不属于任何 namespace URI 就为null.

qualifiedNameStr

DOMString 是否包含要创建文档的限定名称,即可选的前缀和冒号,以及本地的根元素。

documentType 可选

文档的 DocumentType 默认为 null.

例子

js
var doc = document.implementation.createDocument(
  "http://www.w3.org/1999/xhtml",
  "html",
  null,
);
var body = document.createElementNS("http://www.w3.org/1999/xhtml", "body");
body.setAttribute("id", "abc");
doc.documentElement.appendChild(body);
alert(doc.getElementById("abc")); // [object HTMLBodyElement]

规范

Specification
DOM Standard
# ref-for-dom-domimplementation-createdocument②

浏览器兼容性

BCD tables only load in the browser

参见