TypeScript can be used with WebForms Core as an isomorphic WebForms Commander . This means the same WebForms class can be executed on both the server and client side. Instead of directly manipulating the DOM, the WebForms class creates WebForms Core commands.
Source: [Dev.to](https://dev.to/elanatframework/build-interactive-web-pages-with-typescript-and-webforms-core-46dm)