Also has made me nervous for years that there's been no schema against which one can validate HTML. "You want to validate? Paste your URL into the online validation tool."
Also has made me nervous for years that there's been no schema against which one can validate HTML. "You want to validate? Paste your URL into the online validation tool."
This help? https://github.com/validator/validator
But for html snippets you can pretty much just check that tags follow a couple simple rules between <> and that they're closed or not closed correctly.
That app does look helpful!