getFormData method

getFormData.js

/*

Example HTML:
<form name="form" id="form">
  <fieldset name="first">
    <div>
      <fieldset name="second">
        <div>
          <label>Test <input name="test" value="data!"></label>
          <label>Tick <input name="tick" type="checkbox" checked="checked"></label>
        </div>
      </fieldset>
    </div>
  </fieldset>
</form>

Example JS:
>>> var res = getFormData('#form');
>>> console.log(res.form.first.second.test);
"data!"
>>> console.log(res.form.first.second.tick);
true

*/

function getFormData(form) {
	var obj = {}, i, ii, j, jj, parents, current;
		inputs = $(form).find('input'), input;
	
	for (i = 0, ii = inputs.length; i < ii; ++i) {
		input = $(inputs[i]);
		parents = input.parents('fieldset, form').toArray().reverse();
		current = obj;
		
		for (j = 0, jj = parents.length; j < jj; ++j) {
			if (current[parents[j].name] == null) {
				current[parents[j].name] = {};
			}
			current = current[parents[j].name];
		}
		
		if (input[0].type == "checkbox") {
			current[input[0].name] = input[0].checked;
		} else {
			current[input[0].name] = input.val();
		}
	}

	return obj;
}