React, originally created by Facebook, was initially used internally for a newsfeed component before becoming the widely adopted framework it is today.elaborate
V's UI framework is built directly into the core language, making it unusually tightly integrated compared to many other languages that require external libraries.
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SwiftUI uses a declarative syntax, meaning you describe *what* you want the UI to look like, not *how* to build it step-by-step. The framework handles the underlying implementation details.
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