Input Checkbox required Property - Set a checkbox to be a required part of form submission: - Javascript DOM HTML Element

Javascript examples for DOM HTML Element:Input Checkbox

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Description

Input Checkbox required Property - Set a checkbox to be a required part of form submission:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>

<form action="#">
  Checkbox: <input type="checkbox" id="myCheck" name="test">
  <input type="submit">
</form>//  w w  w .  jav  a2s.  co  m

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

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

<script>
function myFunction() {
    document.getElementById("myCheck").required = true;
    document.getElementById("demo").innerHTML = "required field.";
}
</script>

</body>
</html>

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