Confirmation Box On Submit

Here is a sample coding for generating Confirm Box on clicking a submit..

• The form gets submitted only after user approves it.
• You can just add the following lines of coding as attributes in your form element.

• If the user clicks on 'NO', the form is not submitted

Important Lines are highligted in red color.

$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Submit'),
'#attributes' => array('onclick' => ('if(confirm("Are you sure you want to submit the form")) return true; return false')),
);