Perl has long been used for server-side web development, but modern web applications often rely heavily on JavaScript frameworks to manipulate the browser interface. WebForms Core (WFC) provides another approach: the server can generate UI commands that are executed by a browser runtime. This article demonstrates how WebForms Core can be used with Perl and the Mojolicious framework to build an interactive web interface while keeping the UI logic on the server. What is WebForms Core? ...