What should I do when system language change?

What should I do when system language change?

BY 04 Jul 2013 Web Application Development

In my html and js ,I support many kinds of language

I change system language from en_US to ko_KR ,but my web app

can’t change its language string ,I have to kill my app and launch it again

then,it works.

so what can I do to improve it.

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