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. See the Pen Checkbox required validation by Prasanth (@prasanthmj) on CodePen. Required Validation for a group of checkboxes Although the HTML5 ‘required’ validation will work fine with Single checkboxes, there is no HTML5 validation for a group of checkboxes.
HTML Form with Checkboxes examples and sample code
Checkboxes can be used in different cases: You can use a single checkbox to make the user turn on or off an option (just like a switch). For example: Do you want to opt-in for our newsletter? You can provide a number of checkboxes where the user can choose more than one options Choose your favourite colors: Red Green Blue Checkbox form element is created by specifying type=checkbox attribute in <input> tag.