Debugging teddy

From an IM conversation with pleaseremove just now:

pleaseremove says (10:25 pm):

i have a semi hypothetical question I would be interested in your answer to...

boggyb says (10:26 pm):

fire away

pleaseremove says (10:27 pm):

a complicated question about HTML5, JavaScript, and history manipulation

pleaseremove says (10:29 pm):

and as I typed all that out I think I just solved it...

typical

boggyb says (10:29 pm):

debugging teddy for the win!

pleaseremove says (10:29 pm):

indeed