conventional apps use distinct languages for the two shopper and server sides. as a result, the developer had to figure out how to connect them, but MERN stack technologies use just one language, “JavaScript,” https://vinnynvjs793853.blognody.com/28379809/the-smart-trick-of-mern-stack-developer-with-hands-on-experience-in-developing-and-deploying-web-applications-that-nobody-is-discussing