The HTML Output element (<output>
) is a container element into which a site or app can inject the results of a calculation or the outcome of a user action.
Content categories | Flow content, phrasing content, listed, labelable, resettable form-associated element, palpable content. |
---|---|
Permitted content | Phrasing content. |
Tag omission | None, both the starting and ending tag are mandatory. |
Permitted parents | Any element that accepts phrasing content. |
Permitted ARIA roles | Any |
DOM interface | HTMLOutputElement |
This element includes the global attributes.
for
id
s, indicating that those elements contributed input values to (or otherwise affected) the calculation.form
id
of a form element in the same document. If this attribute is not specified, the output element must be a descendant of a form element. This attribute enables you to place output elements anywhere within a document, not just as descendants of their form elements.name
HTMLFormElement
API.This form provides a slider whose value can range between 0 and 100. and an <input>
element into which you can enter a second number. The two numbers are added together and the result is displayed in the <output>
element each time the value of any of the controls changes.
<form oninput="result.value=parseInt(a.value)+parseInt(b.value)"> <input type="range" name="b" value="50" /> + <input type="number" name="a" value="10" /> = <output name="result">60</output> </form>
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of '<output>' in that specification. | Living Standard | |
HTML5 The definition of '<output>' in that specification. | Recommendation |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | 10 | Yes | 4 | No | 11 | 7 |
for |
10 | Yes | 4 | No | 11 | 7 |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | Yes | Yes | Yes | 4 | ? | Yes | Yes |
for |
Yes | Yes | Yes | 4 | ? | Yes | Yes |
<form>
, <input>
, <button>
, <datalist>
, <legend>
, <label>
, <select>
, <optgroup>
, <option>
, <textarea>
, <keygen>
, <fieldset>
, <progress>
and <meter>
.
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/output