Which statement is true about JavaScript?

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Prepare for the uCertify CIW Advanced HTML5 and CSS3 Specialist Exam. Dive into essential topics with flashcards and multiple-choice questions. Enhance your understanding with hints and explanations for each question. Pass your exam confidently!

Multiple Choice

Which statement is true about JavaScript?

Explanation:
JavaScript is a versatile scripting language that runs in web browsers and also on servers. In the browser, it powers interactivity and dynamic page updates, while on the server it can handle requests, read files, talk to databases, and build APIs through environments like Node.js. This breadth is why it’s widely used for both client-side and server-side scripts. It’s not limited to styling (that’s the role of CSS), and it does support asynchronous operations using callbacks, promises, and async/await, which lets programs perform non-blocking I/O and keep the user interface responsive.

JavaScript is a versatile scripting language that runs in web browsers and also on servers. In the browser, it powers interactivity and dynamic page updates, while on the server it can handle requests, read files, talk to databases, and build APIs through environments like Node.js. This breadth is why it’s widely used for both client-side and server-side scripts. It’s not limited to styling (that’s the role of CSS), and it does support asynchronous operations using callbacks, promises, and async/await, which lets programs perform non-blocking I/O and keep the user interface responsive.

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