Does online chatting destroys the learning of a language?

Hardly. Chats and forums are good places to learn the language. Also tv shows are used by many to learn a language. The language used on chats and forums are understood by the majority, and therefore useful as a teaching tool.

http://www.mosalingua.com/en/list-of-best-tv-shows-for-learning-english/

thanks for the link sir, English is a universal language, schools in our country taught it to us somehow but I'm learning different language sir.. I really appreciate your feedback

What language?

Joe(always listening)Nation

Newspaper comics are also a good place to learn.

japanese and korean sir

I'm grateful to your suggestion.. but I must learn hangeul and kanji first.. it's their art of writing.