rajakvk questions

• Is the "address" HTML tag still used?
• Does a real ECMAScript implementation exist, or is it just a spec?
• What would be the explanation for the strange javascript expression?
• <form action="javascript:alert(this);"> what is "this"?
• What is the intended purpose of eval in JavaScript? [duplicate]
• Is there any line limitation in javascript?
• Is CSS used anywhere besides web browsers?
• Which is the fastest JavaScript engine, and does it really matter? [closed]
• Is quirks mode relevant in 2011?
• Is css-sprite a good technique? [closed]

rajakvk answers