Uncaught TypeError: Cannot read property 'b' of undefined

[gaku-sei]

I got this weird error:

Here is the breaking code:

Notice that elm make compiles successfully.

[harrysarson]

Is there a small example of an elm program that gives this error when run?

[rlefevre]

Also check that you don't use some browser extensions that could alter the DOM behind Elm's back.