present :: Form.Element |
Example
<form id="present-example" class="example" action="#"> <input type="text" name="username" id="username"/> <input type="text" name="email" id="email" size="30"/>
<button type="submit">Send</button> </form> <div id="msg" class="notification"></div>
$('present-example').onsubmit = function(){ var valid, msg = $('msg')
// are both fields present? valid = $(this.username).present() && $(this.email).present()
if (valid) { // in real world we would return true here to allow the form to be submitted // return true msg.update('Passed validation!').style.color = 'green' } else { msg.update('Please fill out all the fields.').style.color = 'red' } return false }
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Prototype API 1.5.0 - prototypejs.org