How to protect web apps from XSS?

Question

How to protect web apps from xss? how to properly sanitize the input?

Answer 1

I don't know much about this... This might help you...

http://www.ibm.com/developerworks/library/se-prevent-cross-site-scripting-attacks/index.html

https://dzone.com/articles/protecting-web-applications-against-cross-site-scr

Answer 2

Seems to be a wrong place for asking (-_-)