Dart is an object-oriented programming language that was developed by Google in 2011. It is designed to be easy to learn and use, and is particularly well-suited for developing web and mobile applications.

Dart is a statically-typed language, which means that the data type of a variable is known at compile-time. This can help to catch errors earlier in the development process and make code more reliable. Dart also supports type inference, which can make code more concise and easier to read.

One of the key features of Dart is its support for asynchronous programming. Dart uses a Futures and async/await syntax to enable asynchronous programming, which is particularly useful for web and mobile applications that need to handle multiple requests at once. Dart also supports streams, which can be used for handling continuous data.

Dart is also designed to be highly scalable, and can be used for a wide range of programming tasks, from small scripts to large-scale applications. It has a growing community of developers, and there are many libraries and frameworks available for use with Dart, including the Flutter framework for building cross-platform mobile apps.

Overall, Dart is a powerful and flexible programming language that is well-suited for developing web and mobile applications. Its support for asynchronous programming and cross-platform mobile app development makes it a popular choice for developers.