It's simple.
Connect this plugin to your page:
<script src="/path/to/form_data.js"></script>
And get form data:
var data = $("#form").formData();
This plugin has three options.
select_attr - where the name attribute is taken.
Default: 'name'
textvalue - boolean attribute. It's used to get value from select.
If 'false' then get option value. If 'true' then get option text.
Default: 'false';
callback - callback function, get completed object
Default: 'false';
var data = $("#form").formData({
select_attr: "name",
textvalue: false,
callback: false
});
P.S.:
This is very simple plugin, but it's very helpful for me.