jQuery.serialize()
by niceaji
HTML
<div id="debug"></div>
<form id="wform">
id : <input type="text" name="id" value="aji" > <br>
sex :<input type="radio" name="sex" value="m" checked >
<input type="radio" name="sex" value="f" > <br>
<button type="submit">전송</button>
</form>
JavaScript
$('#wform').submit(function(evemt){
$('#debug').html( $('#wform').serialize() );
//ajax
event.preventDefault();
});