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How to pass a TypeScript function as a parameter
- This article delves into passing functions and objects as parameters in TypeScript, addressing syntax, use cases, and practical scenarios for each.
- In TypeScript, function types comprise argument types and return types, with examples showing errors when types mismatch.
- Declaring function types with 'type' and 'interface' keywords offers explicit typing, error-catching at compile time, and assists IDEs in providing accurate autocompletion.
- JavaScript/TypeScript differentiate pass-by-value for primitive types and pass-by-reference for objects, affecting function behaviors.
- Generics and function overloads enhance functions' flexibility and adaptability to various data types, improving code reuse.
- Understanding duck typing enables TypeScript to check functions based on parameter structure rather than the exact number of arguments.
- Passing objects as arguments involves declaring types/interfaces and managing excess property checks and optional properties in TypeScript.
- When to declare vs. inline object types depends on reuse needs, with interfaces and types having subtle differences in declaration and extension management.
- This informative article navigates through TypeScript function and object handling, emphasizing passing functions to other functions and utilizing object literals as arguments.
- The content offers insights into TypeScript typing, function structures, and coding practices for enhancing code quality and maintainability.
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