A simple way to send complex data structures to backend server

Is very simple, follow the steps below:

1. include src/ComplexControl.js in the html page
2. each complex control in the page must have the class complex-control
3. each complex control in the page must have a hidden field with the class complex-control-value
4. each field must have a data-name attribute. This attribute act as the property name in the final structure/object
5. call the helper ComplexControl.refresh() before submit your changes
6. enjoy it!

https://codepen.io/jomisacu/pen/JjNPExO