I know of one case of Twitter doing client side validation [1]. Maybe there are more? 1 - https://github.com/qntm/base2048#note https://github.com/qntm/base204

I know of one case of Twitter doing client side validation [1]. Maybe there are more? 1 - https://github.com/qntm/base2048#note https://github.com/qntm/base2048#note