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Moodle JavaScript Cookbook by Alastair Hole

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Adding a valid e-mail address field

In this recipe, we will add a rule that ensures the user has entered a valid e-mail address. This rule should be fairly self-explanatory. It simply checks that the text is in the standard "user@example.com" format.

Getting ready

Please refer to the first recipe in this chapter for details on how to prepare a QuickForm web form which is the basis of this recipe.

How to do it...

Add the following code to our form definition in validation_form.php just after the field definition:

$mform->addElement('text', 'mytext6', 'Email');
$mform->addRule('mytext6', 'Email', 'email', null, 'client');

Now we can test this rule by entering a domain name instead of a valid e-mail address. We notice that we are unable to submit the ...

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