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JVJanardhan Vermafundamentals-of-javascript.hashnode.devApr 13 · 5 min read

JS Hoisting Made Simple:

You must have listened or read this while learning JavaScript variable declarations: “Use let instead of var, because hoisting is there in var declaration but not in let.” But what actually is hoist

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SSSubhasis Samantasingharjs-blog-subhasis.hashnode.devMar 14 · 5 min read

Function Declaration vs Function Expression: What’s the Difference?

Introduction Functions are reusable blocks of code that perform a task. They let you write a piece of logic once and run it many times. In JavaScript there are two common ways to create functions: fun

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DPDev Pateldevjpateldotcom.hashnode.devMar 13 · 5 min read

Understanding Variables and Data Types in JavaScript

Hello! ☕Imagine you're organizing your room: you need labeled boxes to store things like your name tag, your age number, or whether you're a student (yes/no). In JavaScript, variables are exactly thos

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SSSubransu Sekhar Maharanawebfundamentals.hashnode.devMar 10 · 4 min read

Function Declaration vs Function Expression: What’s the Difference in JavaScript?

Introduction In JavaScript, functions are one of the most important building blocks. A function is simply a reusable block of code designed to perform a specific task. Instead of writing the same logi

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NDNisarga Deyjs-fundamentals.hashnode.devJan 1 · 3 min read

Hoisting

Var vs Let vs Const Featurevarletconst ScopeFunctionBlockBlock HoistedYesYes (TDZ)Yes (TDZ) Initialized on hoistYesNoNo Re-declarationYesNoNo Re-assignmentYesYesNo Global objectYesNoNo First, the Mental Model (Critical) Before definitio...

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RSRahul Sahmaster-scope-closure-and-hoisting-in-js.hashnode.devJul 1, 2025 · 2 min read

Understanding JavaScript: Scope, Closure, and Hoisting Explained Simply

Scope Scope determines the accessibility or visibility of variables and functions in different parts of the code during runtime. In JavaScript, scope can be broadly categorized into: Global Scope: Variables declared outside any function or block ar...

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DPDeepthi Purijalahoisting-in-javascript.hashnode.devJun 25, 2025 · 12 min read

Understanding Hoisting in JavaScript

Introduction In this tutorial, we’ll investigate how the hoisting mechanism occurs in JavaScript. Before we dive in, let’s understand what hoisting is. Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top...

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AGAmit Guptalinux-command-awk-sed.hashnode.devMay 7, 2025 · 3 min read

Foundation of JS : Scopes, Hoisting and Closures

JavaScript is a powerful programming language, which is used widely in industries. JS has many libraries, both internal and external, which give the developer a lot of flexibility. JS is a single-threaded, synchronous language. JavaScript is powerful...

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RPRaveena Puttablog.raveenawrites.comMay 6, 2025 · 4 min read

Understanding Scope & Hoisting in JavaScript (With Fun Examples)

When I first heard the words “Scope” and “Hoisting” in JavaScript, I honestly thought someone was talking about a space mission 🚀.Spoiler: it’s not rocket science — it’s just JavaScript deciding where your variables live and how it handles them befo...

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MYmanoj ymkjavascript-day-1.hashnode.devApr 12, 2025 · 4 min read

Lesson 5: Mastering JavaScript Variables with challenges!

What Are Variables in JavaScript? Variables are named containers for storing data values. In JavaScript, you declare variables using var, let, or const. let name = "Alice"; const PI = 3.14; var count = 0; Scope & Behavior Summary KeywordScopeHoi...

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Trending tags this week

JS Hoisting Made Simple:

Function Declaration vs Function Expression: What’s the Difference?

Understanding Variables and Data Types in JavaScript

Function Declaration vs Function Expression: What’s the Difference in JavaScript?

Hoisting

Understanding JavaScript: Scope, Closure, and Hoisting Explained Simply

Understanding Hoisting in JavaScript

Foundation of JS : Scopes, Hoisting and Closures

Understanding Scope & Hoisting in JavaScript (With Fun Examples)

Lesson 5: Mastering JavaScript Variables with challenges!