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TypeScript is a superset of JavaScript that adds static typing. It helps catch errors early and improves code maintainability. Why Use TypeScript? Catches errors at compile-time instead of runtime. Improves code readability and maintainability. Su...
Type Inference in TypeScript TypeScript can automatically determine variable types based on their initial values. This is called Type Inference. → Explicit Typing (Manually Specified Type) let age: number = 25; // Type is explicitly set → Implicit ...
Tuples in TypeScript A tuple is a special type of array that has a fixed length and specific types for each element. → Declaring a Tuple let user: [string, number] = ["Alice", 25]; console.log(user[0]); // Output: Alice console.log(user[1]); // Outpu...
When working with data, we often need to combine or filter information based on common elements. In TypeScript, union and intersection help us define flexible and precise types, making our code more robust and scalable. Unions allow a value to be one...
Type Aliases in TypeScript A type alias allows you to create a custom name for a type, making your code more readable and reusable. Basic Type Alias You can define an alias using type. type UserID = string; let user1: UserID = "12345"; // Valid l...
