The if…else statement in JavaScript is one of the most fundamental control flow structures used to execute code based on conditions. It allows you to execute a block of code if a specified condition is true and, optionally, another block…
The typeof operator in JavaScript is used to determine the data type of a variable or expression. It returns a string that indicates the type of the operand, making it useful for debugging, validation, or writing code that handles different…
The grouping operator (()) in JavaScript is used to control the precedence of expressions. By using parentheses, you can group parts of an expression and force them to be evaluated in a specific order. This operator helps clarify your code…
The comma operator (,) in JavaScript is used to evaluate multiple expressions, and it returns the result of the last expression. While the comma operator may seem uncommon, it can be useful in certain scenarios where you want to execute…
The delete operator in JavaScript is used to remove properties from objects. It can be useful when you want to clean up or remove unwanted properties from an object, but it is not used for deleting variables or array elements…
The yield operator in JavaScript is used in conjunction with generators to control the flow of execution. Generators allow you to pause and resume function execution, which is very useful in cases like asynchronous programming, lazy evaluation, or iterating over…
The spread operator (…) in JavaScript is a powerful and versatile tool that allows you to expand an array, object, or iterable into individual elements or properties. It is commonly used to make working with arrays, objects, and function arguments…
TypeScript null & undefined: A Comprehensive Tutorial with Code Examples In TypeScript, null and undefined are important concepts that represent “nothing” or the absence of a value. Understanding how they work, how TypeScript treats them, and how to handle them…
TypeScript casting allows you to override the type system and tell the compiler that a variable is of a certain type, even when TypeScript cannot automatically infer the type or when the type needs to be narrowed down manually. Casting…
Functions are a core concept in TypeScript, just as in JavaScript, but TypeScript enhances functions by providing static types and advanced type features like type inference, overloads, and more. In this tutorial, we’ll cover TypeScript functions in depth and provide…