HTML Tags – Output Tag

What is the HTML <output> tag ?

HTML <output> tag is used to specify the result of a calculation.

HTML <output> tag displays the result of some calculation for the input data by the user action.

It can also displays the calculation result handled in client-side scripts like JS, Jquery etc.

HTML <output> tag is a newly added tag and was introduced in HTML5.

HTML <output> tag requires a starting <output> and ending </output> tag.

HTML <output> is not supported internationally.

How HTML <output> tag works ?

HTML Output element acts as a container element into which a HTML document or application can inject the results of a calculation or the outcome of a user action.

User action may be of input data from the form element or displaying results in client-side scripts.

For using HTML <output> tag, the user should have some basic knowledge of JavaScript.

For example if the <input> type is defined as number (to inform the form that the user have to enter only integers).

Moreover, if the user enters another information say some letters then the <output> form returns NaN (not a number).

Why is HTML <output> tag used ?

HTML <output> tag displays the results of a calculation performed by a script or other user action.

HTML <output> tag is designed for complex calculations, like the results of an exchange rate conversion.

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Syntax :

<output> Results... </output>

Example :

<!DOCTYPE html>
<title>Output Tag</title>
        <h2>HTML output Tag</h2>
        <form oninput="sumresult.value = parseInt(num1.value)
                                + parseInt(num2.value) + parseInt(num3.value)+parseInt(num4.value)">
                <input type="number" name="num1" value="100" /> +
                <input type="number" name="num2" value="300" />
                <input type="range" name="num3" value="0" /> +
                <input type="number" name="num4" value="300" />
                <!-- output tag -->
                Total Value : <output name="sumresult"></output>


Output :

<output> Tag Attributes

HTML <output> tag support following specific attributes.

1forelement_idSpecifies IDs (separated by whitespace) of the elements, whose values use into the calculation.
2formform_idSpecify one or more forms that associate with <output> element.
3nametextSpecify the name of the <output> element.

Global Attributes

HTML <output> tag support following global attributes.

1idunique_nameDeclared unique id for an element.
2classclass_nameDeclared one or more classnames for an element.
3stylestylesCSS inline styles specify an element.
4titletitleSpecify extra details of element contain, this will display as a “tooltip” for an elements.

Event Attributes

HTML <output> tag support following event attributes.

1onfocusscriptelement gets focus on object when script tobe run.
2onblurscriptelement lose the focus on object when scrip tobe run.
3onabortscriptelement gets aborted on object when script tobe run.
4onchangescriptelement gets anytime change on object when script tobe run.
5onbeforeunloadscriptelement gets unloaded on object when scrip tobe run.
6onclickscriptclicked on object when script tobe run.
7ondblclickscriptdouble click on object when script tobe run.
8onkeydownscriptkey is pressed when script tobe run.
9onkeypressscriptkey is pressed over element then released when script tobe run.
10onkeyupscriptkey is released over element when script tobe run.
11onmousedownscriptmouse button was pressed over an element when script tobe run.
12onmouseoutscriptmouse pointer release over an element when script tobe run.
13onmousemovescriptrun mouse pointer moved when script tobe run.
14onmouseoverscriptrun mouse pointer move over when script tobe run.
15onmouseupscriptmouse button is released when script tobe run.
16onresetscriptform has been reset when script tobe run.
17onselectscriptSelect some content when script tobe run.
18onsubmitscriptform has been submitted when script tobe run.
19onloadscriptobject has load when script tobe run.
20onchangescriptallow to change the object when script tobe run.
21onunloadscriptunload to the browser window when script tobe run.
22ondragscriptelement being dragged when script tobe run.
23ondragendscriptelement being stop dragged when script tobe run.
24ondragenterscriptelement being go target dragged when script tobe run.
25ondragleavescriptelement being leave to target dragged when script tobe run.
26ondragoverscriptelement being over to target dragged when script tobe run.
27ondragstartscriptelement being start dragged when script tobe run.
28ondropscriptelement being dropped when script tobe run.
29onerrorscriptelement error occurs when script tobe run.
30onmessagescriptelement message display when script tobe run.
31onerrorscriptelement error occurs when script tobe run.
32onmousewheelscriptmouse wheel will be rotate when script tobe run.
33onscrollscriptscrollbar is scroll when script tobe run.
34onresizescriptelement should be resize when script tobe run.
35onselectscriptall element content selected when script tobe run.
36onstoragescriptelement should be store in target when script tobe run.

Browser Compatibility

6Internet ExplorerYes