25 posts tagged with "javascript"

TypeScript uses Control Flow Analysis to provide better type inference, type narrowing, and error detection.

In TypeScript, instanceof is a type guard that allows you to narrow down the type of an object within a conditional block.

In TypeScript, the "in" operator narrowing is a type narrowing technique that allows the type checker to refine the types of union types based on the presence of a specific property or key in an object.

TypeScript compiler infer a more specific type based on the usage of equality checks (e.g., ===, !==, ==, !=).

TypeScript generics are a powerful feature that allows you to create reusable and flexible components, functions, and classes by defining them with a type variable.

They are a powerful and expressive feature borrowed from the decorator pattern in other languages, such as Python.

All Properties of An Object Enumerable in JavaScript including Number Properties and here is why.

The concept of mutability and immutability in JavaScript is essential to understand to avoid errors.

Simple escape characters that help you achieve small formatting tasks

The script tag has six attributes that are often underutilised and misunderstood by most JavaScript developers.