By doing so, React can apply updates to specific parts of the data tree, which is faster than re-rendering the entirety of the DOM tree. ReactJS stores Virtual DOM trees in the memory. The Document Object Model (DOM) presents a web page in a data tree structure. Later in the article, we’ll discuss JSX’s role in React component creation in more detail. Consequently, third parties cannot inject extra code through user input unless it is explicitly written in the application. By default, React DOM converts values embedded in JSX to strings before rendering them. JSX also helps combat Cross-Site Scripting (XSS) attacks. Meanwhile, the ReactDOM.render() function renders the React element on the Document Object Model (DOM) tree, describing the UI. In the second line, we call the name variable inside a React element by putting it inside the curly brackets. Let’s take a look at a code block that shows how to embed an expression in JSX: const name = 'John Smith As JSX accepts valid JavaScript expressions and function embedding, it can simplify complex code structures. Developers employ it to embed HTML code in JavaScript objects. ![]() JSX is a JavaScript syntax extension used in React element creation. The following sections will introduce you to these features and explain how they contribute to mobile and web application development. ![]() React has some core features that make it stand out from other JavaScript libraries. How to Deploy a React Application on Hostinger.
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