JavaScript vs MATLAB vs Rust: What are the differences?

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1. Syntax: JavaScript syntax is similar to Java, while MATLAB syntax is more specialized for mathematical operations, and Rust syntax emphasizes safety and performance with a focus on memory safety and zero-cost abstractions.
2. Variable Declaration: In JavaScript, variables are declared using the var, let, or const keyword, while MATLAB does not require explicit variable declaration, and Rust emphasizes immutability by default with the let keyword.
3. Memory Management: JavaScript uses automatic garbage collection to manage memory, MATLAB relies on its own memory management system for handling large arrays efficiently, and Rust uses a combination of automatic memory management and manual memory handling through ownership rules and borrowing.
4. Typing: JavaScript is dynamically typed, meaning variables can hold values of any type, MATLAB is dynamically typed with strong typing for efficient handling of matrices and arrays, and Rust is statically typed with strong type checking at compile time to prevent common errors.
5. Standard Libraries: JavaScript has a rich set of standard libraries for web development and general-purpose programming, MATLAB provides built-in functions for mathematical computations, and Rust has a standard library focused on system programming and low-level operations.
6. Concurrency: JavaScript has asynchronous programming capabilities using callbacks, promises, and async/await, MATLAB supports parallel processing through built-in functions, and Rust ensures safe concurrent programming through its ownership and borrowing system.

In Summary, JavaScript, MATLAB, and Rust differ in syntax, variable declaration, memory management, typing, standard libraries, and concurrency capabilities.