convert form data to json obj (for ajax post)

formInputsToJson

function formInputsToJson(form) {
	var $form = $(form);
	var fArr = $form.serializeArray()
	var fObj = {};

	for (var i in fArr) {
		fObj[fArr[i].name] = fArr[i].value;
	}
	
	return fObj;
}

$('form').on('submit', function() {
	var dataObj = formInputsToJson(this);
	$.ajax({
		url: ...,
		dataType: 'json',
		data: JSON.stringify(dataObj),
		...
});