wwaawaw questions

• Is unicode-based XSS an issue?
• Are comments 100% safe on all the major environments?
• What does "hardware acceleration" refer to?
• How can one set a CSS property with the !important flag via the DOM?
• Is <boolean expression> && statement() the same as if(<boolean expression>) statement()?
• How does JS date comparison work?
• Can curlies be omitted for try and/or catch blocks, as for if and else ones?
• What does +0000 mean in the context of a date returned by the twitter API?
• If functions in JS are first-class, what allows them to be called before they are defined?
• Why can't you stringify a function expression?

wwaawaw answers