Why do that? Have them type their shipping address in an input tied to a Geographic Location data type. Much easier.
If u wanna be fancy, put a map below that input showing the address they entered so they can see if Google got it right. Example:
^^^ yep, that’s me! Elements on the page:
We the Save Address button is clicked, it does this:
You could do this with autobinding as well and save the step of having to click a button, but you may or may not like how that works. Try it both ways.