On desktop, if you have JS turned off, it throws up a page saying "We've detected that JavaScript is disabled in your browser. Would you like to proceed to legacy Twitter?"
If you click yes, it tries to set a cookie. If it can't set a cookie, it throws up a page saying "We've detected that JavaScript is disabled in your browser. Would you like to proceed to legacy Twitter?" etc.
If you click yes, it tries to set a cookie. If it can't set a cookie, it throws up a page saying "We've detected that JavaScript is disabled in your browser. Would you like to proceed to legacy Twitter?" etc.