Output form Property - Javascript DOM HTML Element

Javascript examples for DOM HTML Element:Output

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Description

The form property returns the form containing the <output> element.

This property is read only.

Return Value

A reference to the <form> element containing the <output> element. If the <output> element is not in a form, null is returned

The following code shows how to get the id of the form containing the <output> element:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>

<form id="myForm" oninput="x.value=parseInt(a.value)+parseInt(b.value)">0
  <input type="range" id="a" value="50">100
  +<input type="number" id="b" value="50">
  =<output id="myOutput" name="x" for="a b"></output>
</form>/*ww  w .j a  va2  s.c o m*/

<button type="button" onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {
    var x = document.getElementById("myOutput").form.id;
    document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

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