I don't get it then. Since browser already turns it into ascii format before resolving, how would it work in XSS for server-side max length limitation as he me

I don't get it then. Since browser already turns it into ascii format before resolving, how would it work in XSS for server-side max length limitation as he mentioned in his other article, "Minimum Viable XSS" [1]? [1] https://shkspr.mobi/blog/2016/03/minimum-viable-xss/ https://shkspr.mobi/blog/2016/03/minimum-viable-xss/