Explain the differences between REST and GraphQL APIs from a JavaScript client perspective.
Instruction: Discuss the conceptual differences between REST and GraphQL, and their implications when consumed by a JavaScript application.
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Thank you for the question. It's a great opportunity to explore the practical implications of choosing between REST and GraphQL for JavaScript applications, something I've had considerable experience with in my roles at leading tech companies. Let's dive into the conceptual differences first and then discuss how they impact JavaScript client development. At its core, REST (Representational State Transfer) is an architectural style that relies on a predefined set of stateless operations. These operations are primarily HTTP methods like GET, POST, PUT, DELETE, etc. RESTful services expose a set of URLs, each representing a resource. When a JavaScript application needs to interact with a REST API, it makes HTTP requests to these URLs to retrieve or manipulate resources. This approach is straightforward and follows the principles of the web closely, which has contributed to its widespread adoption...