Frameworks wie diese Bibliotheken im allgemeinen sind dafür gedacht, dass man sie für die unterschiedlichsten Anwendungseinsätze wiederverwenden kann. jQuery ist eines dieser Frameworks.
There’s an different approach to web page layout which is gradually getting some traction. The idea is that the layout is changed to best accommodate the window size. As you might expect, it is accomplished by using JavaScript to change the CSS of the webpage. Here are some examples:
T. Ugawa, S. Marr, and R. Jones. Proceedings of the 14th ACM SIGPLAN International Workshop on Virtual Machines and Intermediate Languages, page 11. ACM, (Dec 5, 2022)