Just a note about TypeScript Playground, an online REPL for TypeScript. Been around a while, but really useful for trying out a quick bit of TypeScript.
I’ve just spent a very painful hour or so debugging a jQuery issue that turned out to be a self inflicted problem! The site I was working on had been working perfectly all morning, then a particular page began to fail on a refresh (browser F5). It was possible to browse to the page and it displayed correctly, but press F5 to refresh the page and it failed on the statement below. Checking the contents . . .