DocumentType: after() method

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.

The DocumentType.after() method inserts a set of Node objects or strings in the children list of the DocumentType's parent, just after the DocumentType. Strings are inserted as equivalent Text nodes.

Syntax

js
after(param1)
after(param1, param2)
after(param1, param2, /* …, */ paramN)

Parameters

param1, …, paramN

A set of Node objects or strings to insert.

Return value

None (undefined).

Exceptions

HierarchyRequestError DOMException

Thrown when the node cannot be inserted at the specified point in the hierarchy.

Examples

js
let docType = document.implementation.createDocumentType("html", "", "");
let myDoc = document.implementation.createDocument("", "", docType);

docType.after(document.createElement("html"));

myDoc.childNodes;
// NodeList [<!DOCTYPE html>, <html>]

Specifications

Specification
DOM Standard
# ref-for-dom-childnode-after①

Browser compatibility

BCD tables only load in the browser

See also