This skill is helpful for websites and apps such as Netflix, Amazon, and Uber Eats that generate new information without reloading the page. They act as templates where the website or app can pull information instead of needing to access the server constantly. React libraries are meant to save time by creating reusable interactive elements. That’s not the only use for it, though-you can use it for any online page constantly loading new components on-screen.

React is known for its uses with social media news feeds, such as Facebook and Instagram. Read more about what React is and why you should learn it. That saves time and computer power for the website-and the user. React enables websites and apps to skip that step by creating reusable components that can be added to the page as the user scrolls. A website or app would typically need to pull information from its server to generate new information or images. Most people use React in web and mobile development because of its flexibility and versatility. Now it’s one of the go-to Javascript libraries for most websites and apps. It was later added to Instagram and became open-source for the benefit of the public.

Jordan Walke, a Software Engineer at Meta, created it to make Facebook’s News Feed load faster. React is a JavaScript library that allows new user interface (UI) components to appear on websites and apps without needing to reload the page. Regardless of your prior experience, plenty of resources are available to help make React easier to learn. Of course, the difficulty that comes with learning anything new is somewhat subjective. Thankfully, React is easy to learn, but only once you have foundational knowledge in JavaScript. You might want to learn React but worry that it could be too hard.

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