Checkboxes form.serialize
by Jim Edelstein
HTML
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
<form id="form">
<input type="text" name="fname" />
<input type='checkbox' name='ck[]' value='1'id='ck_1' />
<input type='checkbox' name='ck[]' value='2'id='ck_2' />
<input type='checkbox' name='ck[]' value='3'id='ck_3' />
<button id="btn">send</button>
</form>
<h3>
Serialize results
</h3>
<div id="serialize">
</div>
JavaScript
$('#btn').on('click',function(event)
{
event.preventDefault();
$("#serialize").html($("#form").serialize());
});