Pages tagged required validation

Checkbox checked validation using JavaScript

You can check whether a checkbox is checked or not using checkbox_elemnt.checked attribute.

HTML Form Checkbox with required validation

The code below shows how to create a single checkbox with "required" validation. Make sure you have not selected the checkbox and then press the submit button to see the error message.

How to do multiple checkbox validation in Javascript

Checkboxes can be used as a single checkbox (like an on-ff switch) or as a group of checkboxes where the user can select one or more options.

How do we do validations when you have multiple checkboxes? Here are some samples.