I've a form, in which there are multiple fieldsets which consists various input elements, and I'm trying to serialize the value of the whole form. 

You can also read my Stackoverflow thread :  http://stackoverflow.com/questions/38966515/how-do-i-get-all-the-value-of-input-fields-including-select-text-area-from-mu 

I just need to make sure if serialize works in my scenario or not, otherwise I do have to search for other solution. 

However it works if I provide the input value to the elements, and doesn't work if the fields are blank. I need serialize to retrieve all the value even if the input fields are blank.