In 2011, Jordan Walke, a Facebook engineer, built React JS to simplify UI development. That’s an interactive component, and you can build one through JavaScript.Ĭheck out upGrad’s Advanced Certification in Cloud Computing

JavaScript is a scripting language that enables users to build and manage dynamic content on their websites (such as slideshows, animated graphics, interactive forms, etc.).įor example, when you hover your cursor on the ‘Courses’ button on upGrad’s homepage, a drop-down menu appears. It allows you to create interactive elements on websites. React JS is a JavaScript library for designing and developing the UI of websites and web apps.

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