Textarea required Property - Javascript DOM HTML Element

Javascript examples for DOM HTML Element:Textarea

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Description

The required property sets or gets whether a text area must be filled out before submitting a form.

This property reflects the HTML required attribute.

Set the required property with the following Values

Value Description
true|false Sets whether a text area should be a required part of form submission.

Return Value

A Boolean, returns true if the text area is required, otherwise it returns false

The following code shows how to check if a text area must be filled out before submitting a form:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>

<form action="#">
Text area:<br>
<textarea id="myTextarea" name="adr">
</textarea><br>
<input type="submit">
</form>/*from  w w  w . j  a v a  2s. c  om*/

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

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

<script>
function myFunction() {
    var v  = document.getElementById("myTextarea").required;
    document.getElementById("demo").innerHTML = v;
}
</script>
</body>
</html>

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