The CEO class includes credentials to log into the system: login and password. Straight and right-angled lines show the association relationships between classes.Įach class comprises a set of attributes necessary for the correct functioning of the reporting system. The CEO manages projects of a company, assigns employees, and controls their reports. It consists of four classes: CEO, Project, Report, and Employee. Our example shows the structure of a basic reporting system administered by a company’s CEO. Let’s look at the example of a simple JavaScript UML class diagram made with DHTMLX. UML class diagrams illustrate the following key elements of a system:Įxample of a basic JavaScript UML class diagram That is why this visualization tool is extremely popular in the dev community. These diagrams make things much easier for developers in complex projects. The class diagram is the only UML diagram type that can be mapped directly with object-oriented languages including JavaScript. Prepared by business analysts UML class diagrams provide developers with a clear understanding of the whole system structure. They help business analysts to analyze a business domain and depict core business elements, which lay the foundation for a future app. UML class diagrams are mostly used in software engineering for modeling the static structure of applications. You can download a 30-day free trial version of our Diagram library and create your own JavaScript UML class diagrams following our step-by-step guide. This type of diagram complements a variety of data visualization tools available in the DHTMLX Diagram library. UML class diagram plays a key role in representing a system’s structure visually.
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