React interview questions in Hindi #17 What is JSX?

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JSX is a JavaScript Extension Syntax used in React to easily write HTML and JavaScript together.
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This means that you can use JSX inside of if statements and for loops, assign it to variables, accept it as arguments, and return it from functions.

JSX stands for "JavaScript XML." It's an extension to JavaScript syntax that React uses for defining the structure and content of user interface components in a more intuitive and readable way. JSX allows you to write HTML-like code directly within your JavaScript code, making it easier to create and manage the UI components of your React applications.

In JSX, you can use angle brackets similar to HTML to define elements, and you can embed JavaScript expressions within curly braces ({ }). This allows you to seamlessly mix HTML-like structure with JavaScript logic. JSX is then transformed into regular JavaScript by tools like Babel before being executed in a browser.
React's JSX has several advantages:

Readability: JSX syntax resembles HTML, making it easier for developers familiar with HTML to work with React components.

Expressiveness: JSX allows you to embed JavaScript expressions directly within the markup, making it convenient to dynamically generate content.

Prevents Injection Attacks: JSX automatically escapes any values embedded in it, which helps prevent injection attacks like Cross-Site Scripting (XSS).

Tooling Support: Many development tools and editors provide better support for JSX, including syntax highlighting and error checking.

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