portswigger.net

What's in a tag name? JavaScript, apparently | PortSwigger Research

I was on my laptop, as I often am when there's rubbish on telly, and found myself wondering what characters are allowed in a tag. I knew they had to begin with "a-zA-Z", but what about after that? I t

If the page stays blank, open it in a new tab. Your Weird rating still works from the top bar.

Open source