Andy F questions

• Should Javascript still be "hidden" in HTML comment tags?
• Is there a performance penalty by "hiding" objects off screen by ridiculous amounts?
• JavaScript setFullYear() Method Returning an incorrect date
• How can I understand this checkbox behaviour?
• Is there a way to register a search result callback when using Google CSE v2?
• Why does jQuery's :visible selector work differently when filtered?
• Docker: Why does wait-for always time out?
• Internet Explorer 9 ignoring no cache headers
• Why does jQuery's .not() method remove text nodes?
• Why don't margin-top: auto and margin-bottom:auto work the same as their left and right counterparts?

Andy F answers