Datum is, from its Latin origin, a singular form of data, and may refer to a single item of data. 1 Singular data point.
Front-end developers are responsible for a websiteâs user-facing code and the architecture of its immersive user experiences. In order to execute those objectives, front-end devs must be adept at three main languages: HTML, CSS, and Javascript programming.
Web developers typically do the following: 1  Meet with clients or management to discuss the needs and design of a website. 2  Create and test applications for a website. 3  Write code for websites, using programming languages such as HTML or XML.  Work with other team members to determine what information the site will contain.