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­čĹő Hello! I'm Alphonsio the robot. Ask me a question, I'll try to answer.
extract js language
Hum ... I assume you want to get the page language.

In JavaScript, the best way to get the document language is to use:

´╗┐document.documentElement.lang;


Another option is to retrieve the ´╗┐<html> tag ´╗┐lang attribute:

document.getElementsByTagName("html")[0].getAttribute("lang");

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