They're bookmark buttons that execute Javascript on click. You need to put semi colons at the end of all lines since they don't preserve new lines. Bookmarklets

They're bookmark buttons that execute Javascript on click. You need to put semi colons at the end of all lines since they don't preserve new lines. Bookmarklets should validate the URL if they are specific to a website or page. For larger ones, keep a source file since editing a single line of Javascript is not fun.