<output>Baseline · Widely available
The <output> element represents the result of a calculation, user action, or form entry.
Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Invalid Date. Widely available since Invalid Date.
Browser support
DesktopChrome
1–9Not supported
10+Supportedsince Mar 8, 2011
Current: 155Edge
12–17Not supported
≤18+Supportedsince Oct 2, 2018
Current: 154Firefox
1–3.6Not supported
4+Supportedsince Mar 22, 2011
Current: 157Safari
1–6Not supported
7+Supportedsince Oct 22, 2013
Current: 27MobileChrome Android
18+Supportedsince Jun 27, 2012
Current: 155Firefox Android
4+Supportedsince Mar 29, 2011
Current: 157Safari iOS
1–6Not supported
7+Supportedsince Sep 18, 2013
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN: HTMLOutputElement.
Feature detection
JS · check before using
const el = document.createElement("output");
if (!(el instanceof HTMLUnknownElement)) {
// <output> is supported
}Documentation (MDN)
Specification
Sub-features
Support for each part of the feature (12). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| HTMLOutputElement | 9 | 14 | 4 | 5.1 | 18 | 4 | 5 |
| HTMLOutputElement.defaultValue | 9 | 14 | 4 | 5.1 | 18 | 4 | 5 |
| HTMLOutputElement.form | 9 | 14 | 4 | 5.1 | 18 | 4 | 5 |
| HTMLOutputElement.htmlFor | 9 | 14 | 4 | 5.1 | 18 | 4 | 5 |
| HTMLOutputElement.labels | 9 | 18 | 56 | 5.1 | 18 | 56 | 5 |
| HTMLOutputElement.name | 9 | 14 | 4 | 5.1 | 18 | 4 | 5 |
| HTMLOutputElement.type | 9 | 14 | 4 | 5.1 | 18 | 4 | 5 |
| HTMLOutputElement.value | 9 | 14 | 4 | 5.1 | 18 | 4 | 5 |
| output | 10 | ≤18 | 4 | 7 | 18 | 4 | 7 |
| output.for | 10 | ≤18 | 4 | 7 | 18 | 4 | 7 |
| output.form | 10 | ≤18 | 4 | 7 | 18 | 4 | 7 |
| output.name | 10 | ≤18 | 4 | 7 | 18 | 4 | 7 |