coderef

tabindexBaseline · Widely available

The tabindex HTML attribute make an element focusable, and sets the element's relative ordering for sequential focus navigation.

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Oct 2, 2018. Widely available since Apr 2, 2021.

Browser support

DesktopChrome
1+Supportedsince Dec 11, 2008
Current: 155
Edge
12–17Not supported
18+Supportedsince Oct 2, 2018
Current: 154
Firefox
1–1Not supported
1.5+Supportedsince Nov 29, 2005
Current: 157
Safari
1–3Not supported
3.1+Supportedsince Mar 18, 2008
Current: 27
MobileChrome Android
18+Supportedsince Jun 27, 2012
Current: 155
Firefox Android
4+Supportedsince Mar 29, 2011
Current: 157
Safari iOS
1–1Not supported
2+Supportedsince Jul 11, 2008
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: tabIndex.

Feature detection

JS · check before using
if ("HTMLElement" in globalThis && "tabIndex" in HTMLElement.prototype) {
  // HTMLElement.tabIndex is available
}

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
HTMLElement.tabIndex11813.11842
tabindex1121.53.11842