Resumen
The article presents the results of a training project carried out during courses on the Internet Things and web programming using JavaScript. Using a single JavaScript programming language, a software system was developed to study the sensors of a mobile phone without the need for native application development. The proposed system consists of a mobile application for the Tizen operating system, which allows you to record and visualize the accelerometer data, as well as the server component for storing the recorded tracks. The described development practically tested the possibility of end-to-end service creation using only one JavaScript programming language, which dramatically increases the development speed and reduces the entry threshold for new developers. The source code for the application is available for modification and extension.