In client actions, what type of code can JavaScript enable?

JavaScript is specifically designed for client-side script execution, which allows it to manipulate HTML and interact with the web browser directly. This makes it essential for enhancing the user experience by providing dynamic content, validating user input, and handling events like clicks and form submissions without needing to refresh the page or communicate with the server.

In the context of OutSystems, JavaScript can be used within client actions to execute logic that runs directly in the user's browser, enabling quick and responsive interactions. This includes tasks such as altering user interface components, performing calculations, or integrating with third-party libraries for additional functionality.

The other options refer to concepts that JavaScript does not cover; for instance, server-side code pertains to languages or platforms that run on the server, which JavaScript does not enable. Similarly, database interactions are typically handled by backend processes or server-side code, not directly by JavaScript running in the client’s environment. Therefore, the correct focus is on the ability of JavaScript to execute actions exclusively on the client side, enhancing the interactivity and responsiveness of mobile applications developed in the OutSystems platform.