TNK questions

• How I separate logic from presentation?
• Display arrow head with CSS
• Make a string with 5 php variables
• string length differ with other languages...not in English
• Adding animation to this testimonial slider
• Form validation in jQuery without using plugin
• Adding custom styles to Jquery UI tabs
• Remove a table row after ajax success
• Storing all POST data in SESSION
• Hide content for small and extra small screen size devices

TNK answers