Learn how to create modern, interactive frontend components in Drupal using just one kilobyte of pure JavaScript, eliminating the need for heavy frameworks, transpilers, and complex build processes. Discover techniques for building decoupled frontend blocks without relying on React, Angular, Vue, TypeScript, or Babel, while avoiding the performance overhead of downloading and executing large JavaScript bundles. Explore practical approaches to writing compact, efficient JavaScript code that delivers modern user experiences without the typical framework dependencies and build complexity associated with contemporary web development.