I am doing an only front end project with backbone.
And at one point I want to do the following : 

* A basic form with some input
* the user submit the form
* Show some cool graph with d3 or google graph based on the inputs of the user.

The problem is that I don't have any backend so I never save the inputs of the user, How can I change the view and still have the data of the form?

I was thinking about storing it temporary into localstorage but it's not really a good solution for perfs...

Thanks