now-and-later provides a simple, promise-based mechanism for deferring actions in JavaScript. It excels at ensuring that tasks are executed in order, either immediately or after a delay. Key features include queue management, controlled execution, and easy integration with asynchronous workflows. Ideal for situations where sequence and timing are crucial, now-and-later helps you avoid race conditions and manage complex asynchronous operations gracefully. It simplifies controlling execution timing with intuitive promise-based API.