Isn't everything? With web programming that's very much a feature, not a bug. You could say that Perl's - the first major web back-end programming language - TI

Isn't everything? With web programming that's very much a feature, not a bug. You could say that Perl's - the first major web back-end programming language - TIMTOWTDI paradigm is a feature of the web itself. MFC, Swing, Cocoa, Qt all offer more or less consistent experiences but none of those is as flexible as what you get with the web, which also is a feature, not a bug, because with a certain OS you also want a somewhat consistent, vendor-independent UI / UX across applications. That said, if you aim for consistency, there are widely used frameworks and tools like Bootstrap, Modernizr, jQuery or Angular that can help you in that regard as well.