Ugh, this has got to be one of my biggest bugbears with SPAs. This pattern fails far more than you obviously think it does, and when it does fail, it's usually

Ugh, this has got to be one of my biggest bugbears with SPAs. This pattern fails far more than you obviously think it does, and when it does fail, it's usually handled so poorly it's worse than the 'cure' you're peddling. Give me a clean, server-side form submission any day over the "has it worked, hasn't it?" inconsistency of SPAs.