Description
The HTML element <output> is used to define a region that displays a result of some calculation.
The result can be text output from a calculation performed by a client-side JavaScript.
The below table summarizes its usage.
| Usage Details | |
| Placement | It is displayed as an Inline element. |
| Contents | It can contain Inline elements and text. |
| Tags | Both the opening and closing tags are required. |
| Versions | HTML 5 |
Syntax
Here is the basic syntax of the <output> element.
<output>...</output>
Examples
<!DOCTYPE html>
<html lang="en">
<head>
<title>Example - HTML Element output</title>
</head>
<body>
<form oninput="result.value=parseInt(a.value)+parseInt(b.value)">
<input type="range" id="a" value="50"> +
<input type="number" id="b" value="100"> =
<output name="result" for="a b"></output>
</form>
</body>
</html>
Attributes
The following table shows the list of supported and unsupported attributes for the <output> element.
| Attribute Type | Details |
| Element-Specific Attributes | The tag <output> has some element-specific attributes listed in the below table. |
| Global Attributes | Like all other HTML tags, the tag <output> supports the HTML Global Attributes. |
| Event Attributes | The tag <output> also supports the HTML Event Attributes. |
Here is a list of attributes that are specific to the <output> element.
| Attribute | Value | Required | Description |
for |
element-id | No | Indicates the relationship between the result of the calculation and the elements that contributed input values to this calculation. The value of this attribute can be a list of IDs of other elements. |
form |
form-id | No | Specifies the form element that the result element is associated with. |
name |
name | No | Specifies the name of the element. |
Browser Compatibility
The tag <output> is supported in all modern browsers.
- Google Chrome 10+
- Internet Explorer or Edge x
- Firefox 4+
- Apple Safari 5.1+
- Opera 11+