jQuery addClass example
Change class name on click in jQuery
by Steve
HTML
<div class="checkbox" id="other_3">
<label for="other_3">
<input type="checkbox">
Other
</label>
<div class="other-group">
<label for="other_3">Other</label>
<input type="text" id="other_3-otext">
</div>
</div>
JavaScript
$(document).ready(function() {
$('.checkbox label[for*="other"]').on('click', function() {
$(this).next().toggle();
})
});