jQuery addClass example
Change class name on click in jQuery
by wisegorilla
HTML
<body marginwidth="0" marginheight="0"><div class="modalContent" id="SignupForm_0" widgetid="SignupForm_0">
<div class="flash-block" data-dojo-attach-point="formResponseMessages"></div>
<div class="modalContent__content" data-dojo-attach-point="formContentContainer">
<!-- Title & Description - Holds HTML from CK editor -->
<div class="content__titleDescription">
<div data-dojo-attach-point="descriptionContainer"><div style="text-align: center;"><span style="font-family:tahoma,verdana,segoe,sans-serif"><span style="color:#6699cc"><span style="font-size:18px"><strong>Werde Teil der bonmedico Community & spare<span style="font-size:32px"><strong> </strong></span>15 % bei Deinem ersten Einkauf. </strong></span></span></span></div>
</div>
<div class="content__fixedBadge" data-dojo-attach-point="fixedBadge"></div>
</div>
<!-- Form Fields -->
<form action="//mc.us14.list-manage.com/subscribe/form-post?u=db40c343b16b0af0b777d7db4&id=2631affdd7&popup=true" accept-charset="UTF-8" method="post" enctype="multipart/form-data" data-dojo-attach-point="formNode" novalidate="">
<div class="content__formFields" data-dojo-attach-point="formFieldsContainer"><div class="field-wrapper" id="uniqName_3_0" widgetid="uniqName_3_0">
<label for="mc-EMAIL">Email-Adresse</label>
<input type="email" name="EMAIL" value="" id="mc-EMAIL">
<div class="invalid-error"></div></div><div class="field-wrapper radio-group" id="uniqName_3_1" widgetid="uniqName_3_1">
<label for="mc-group[7316]">Möchtest Du unseren Newsletter erhalten?</label>
<ul class="radioCheckboxContainer" data-dojo-attach-point="choicesContainer"><li><input id="mc-group[7316]-7316-0" type="checkbox" value="1" name="group[7316][1]"><label for="mc-group[7316]-7316-0">Ja. Ich habe die Datenschutzerklärung gelesen.</label></li></ul>
<div class="invalid-error"></div></div><div class="field-wrapper" id="uniqName_3_2"...
JavaScript
$( "div.content__button .button" ).click(function( event ) {
alert('test');
});