If it has not been submitted, skip the validation and display a blank form.
However, in the example above, all input fields are optional.
Updates the collection of inputs that will be validated.Call this method if the set of fields which need to be validated has changed. Destroys form validator and cleans up data left behind.Because this plugin depends on the HTML5 Constraint Validation API, Internet Explorer 9 and older are not supported.If you need to support these browsers, you must add a polyfill like Ryan Seddon's H5F.As such, this plugin isn't in control of things like what qualifies as a valid email address or URL.
If you find you need more restrictive validations for these fields, you can use the attribute to further constrain what's acceptable.
These pages will show how to process PHP forms with security in mind.
Proper validation of form data is important to protect your form from hackers and spammers!
The script works fine even if the user does not enter any data.
The next step is to make input fields required and create error messages if needed.
Add validation to your forms with this simple plugin.