When we get a Error and its MeaningIn JavaScript, you can encounter situations where a variable or value is undefined, results in a ReferenceError, or produces NaN. Here's a brief explanation of each: undefined: This typically occurs when you try to access a variable or property that...Oct 7, 2023 · 1 min readriteshblogs.hashnode.dev
IIFE(Immediately Invoked Function Expression)An IIFE (Immediately Invoked Function Expression) is a JavaScript function that is immediately executed as soon as it is defined. It is a concise way to create a new scope for your code and execute it right away. Here's a simplified definition of an ...May 20, 2023 · 2 min readriteshblogs.hashnode.dev
ClosureClosure in JavaScript is a powerful concept that allows functions to retain access to variables from their parent scope, even after the parent function has finished executing. In simpler terms, a closure is created when a function is defined inside a...May 19, 2023 · 3 min readriteshblogs.hashnode.dev
HoistingHoisting in JavaScript is a behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase, before the code is executed. This means that you can use variables and functions before they ar...May 18, 2023 · 3 min readriteshblogs.hashnode.dev
Difference Between Function Declaration and Function ExpressionFunction Declaration and Function Expression are two ways to define functions in JavaScript. They differ in how they are declared and how they are hoisted within the code. Function Declaration: A function declaration is a statement that defines a na...May 17, 2023 · 2 min readriteshblogs.hashnode.dev