coderef

<html>Baseline · Widely available

The &#x3C;html> element represents the top-level of an HTML document and is referred to as the root element.

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Jul 29, 2015. Widely available since Jan 29, 2018.

Browser support

DesktopChrome
1+Supportedsince Dec 11, 2008
Current: 155
Edge
12+Supportedsince Jul 29, 2015
Current: 154
Firefox
1+Supportedsince Nov 9, 2004
Current: 157
Safari
1+Supportedsince Jun 23, 2003
Current: 27
MobileChrome Android
18+Supportedsince Jun 27, 2012
Current: 155
Firefox Android
4+Supportedsince Mar 29, 2011
Current: 157
Safari iOS
1+Supportedsince Jun 29, 2007
Current: 27

How to use

This feature is Baseline widely available — use it freely, no fallback needed.

Example

Full syntax and examples are on MDN: HTMLHtmlElement.

Feature detection

JS · check before using
const el = document.createElement("html");
if (!(el instanceof HTMLUnknownElement)) {
  // <html> is supported
}

Sub-features

Support for each part of the feature (2). The overall table above shows when the whole feature works.

Sub-featureChromeEdgeFirefoxSafariChrome AndroidFirefox AndroidSafari iOS
HTMLHtmlElement112111841
html112111841