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JavaScript & HTML DOM Reference Manual

Overview

JavaScript Object

JavaScript Array Object JavaScript Boolean Object JavaScript Date Object JavaScript Math Object JavaScript Number Object JavaScript String Object JavaScript RegExp Object JavaScript Global properties / functions JavaScript Operator

Browser Object

Window Object Navigator Object Screen Object History Object Location Object

DOM Object

HTML DOM Document Object HTML DOM Element object HTML DOM Attribute object HTML DOM Event object

HTML Object

<a> <area> <audio> <base> <blockquote> <body> <button> <canvas> <col> <colgroup> <datalist> <del> <details> <dialog> <embed> <fieldset> <form> <iframe> <frameset > <img> <ins> <input> - button <input> - checkbox <input> - color <input> - date <input> - datetime <input> - datetime-local <input> - email <input> - file <input> - hidden <input> - image <input> - month <input> - number <input> - range <input> - password <input> - radio <input> - reset <input> - search <input> - submit <input> - text <input> - time <input> - url <input> - week <keygen> <link> <label> <legend> <li> <map> <menu> <menuItem> <meta> <meter> <object> <ol> <optgroup> <option> <param> <progress> <q> <script> <select> <source> <style> <table> <td> <th> <tr> <textarea> <title> <time> <track> <video>

HTML DOM doctype property

Previous: HTML DOM documentElement property

Next: HTML DOM createTextNode () method

Document Object

Examples

Back Document Type Object HTML document:

document.doctype;

Definition and Usage

doctype property returns the Document Type Declaration associated with the document (Document Type Declaration).

Read more document types of knowledge objects, please see the document type Object Reference .

Note: If the document does not specify the type of document, the return value is null.

Browser Support

All major browsers support doctype property

Note: Internet Explorer 8 and earlier versions of IE displays HTML and XHTML documents that property returns null, but support for XML documents.

grammar

document.doctype

technical details

return value:	Document type of the document as a DocumentType object.
DOM version	Core Level 1 Document Object

Document Object

Previous: HTML DOM documentElement property

Next: HTML DOM createTextNode () method