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HTML | <output> form Attribute

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  • Last Updated : 19 Jul, 2022

The HTML <output> form Attribute is used to specify that the <output> element can contain one or more forms. 


<output form="form_id">

Attribute Values: It contains single value form_id which contains the value i.e form_id which specify the one or more than the output element belongs to. The value of this attribute should be id of the <form> element. 



<!DOCTYPE html>
            HTML output Form Attribute
            body {
            h1 {
        <h2>&lt;output&gt;Form Attribute</h2>
        <form oninput = "sumresult.value = parseInt(A.value)
                    + parseInt(B.value) + parseInt(C.value)">
            <input type = "number" name = "A" value = "50" /> +
            <input type = "range" name = "B" value = "0" /> +
            <input type = "number" name = "C" value = "30" /><br>
            Result: <output form ="myGeeks" name = "sumresult">



Supported Browsers: The browser supported by HTML output form attribute are listed below:

  • Google Chrome 10
  • Edge 18
  • Firefox 4
  • Opera 11
  • Safari 7

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