Sean Kinsey questions

Sean Kinsey answers

• Which is a better way to detect a client's user-agent?
• fb.login popup doesn't display additional requested permissions if popups are blocked
• How to get the uri of the .js file itself
• Cross-domain hash change communication
• How to JSON parse in windows 8
• Facebook 'like button' return X-Frame-Options Deny
• Read IFrame content using JavaScript
• How expensive are variables in JavaScript?
• MySQLDump without locking the tables
• Replacing strings with regex in JavaScript