so, IMO, I don't think any of them failed because they were > standardised and supported in all JavaScript engines while those other things were either propriet

so, IMO, I don't think any of them failed because they were > standardised and supported in all JavaScript engines while those other things were either proprietary runtimes or browser specific API's I think they failed because they were closed off, and nobody could read the shitty code, so people wrote shitty code. If we have things open, it gives people an incentive to make it look/work nice. Sure, not everyone will, but it makes it easier to shame those that dont.