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JJJainam Jainunderstanding-javascript-methods.hashnode.dev

Understanding Important Array Methods in JavaScript

4h ago · 4 min read · Arrays are one of the most commonly used parts of JavaScript. Whenever we work with: lists of users products tasks marks API data we usually use arrays. JavaScript provides built-in methods tha

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JJJainam Jainunderstanding-javascript-methods.hashnode.dev

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Understanding Callback Functions in JavaScript

4d ago · 3 min read · In JavaScript, functions are not just something you run. They can also be treated like values. That means you can: store them in variables pass them as arguments return them from other functions

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JJJainam Jainunderstanding-javascript-methods.hashnode.dev

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Understanding this in JavaScript

5d ago · 2 min read · While Understanding this in JavaScript, it felt confusing for no reason. But honestly, the idea is simple. this just means: “Who is calling the function?” That’s it. If you keep this one line in your

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JavaScript : Function Declaration vs Function Expression

5d ago · 2 min read · Lets understand function as var can store the value same as function store the single or multiple line of code which we can use where we need. Instead of writing the same code again and again, you wr

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CCChetan Chauhanchetan71.hashnode.dev

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Arrow Functions in JavaScript: A Simpler Way to Write Functions

Apr 29 · 8 min read · The Problem: Functions Have a Lot of Boilerplate Here's a simple function that doubles a number: function double(n) { return n * 2; } It works fine. But notice how much of that is just ceremony — f

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SGShikhar Guptathecleancommit.hashnode.dev

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Closures in JavaScript

Apr 21 · 5 min read · In the previous blog, we understood how JavaScript executes code behind the scenes using concepts like hoisting, creation phase, and execution phase.Now we move into something that feels almost like m

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Callbacks in JavaScript: Why They Exist

Apr 20 · 4 min read · Callback is nothing but just a fancy word for the functions which are passed onto another functions as arguments. This term 'Callback' came from calling back the program later , its in the word only .

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AAAbstract Algorithmsabstractalgorithms.dev

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Functions in Python: Parameters, Return Values, and Scope

Apr 19 · 21 min read · TLDR: Python functions are first-class objects, not just reusable blocks. They support keyword arguments, safe defaults with None, variadic *args/**kwargs, closures, and LEGB scope resolution. These five ideas are not advanced features — they are the...

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AAAbstract Algorithmsabstractalgorithms.dev

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Decorators Explained: From Functions to Frameworks

Apr 19 · 23 min read · 📖 The Copy-Paste Crisis: When Timing Code Invades Twenty Functions Sofia is three months into her first Python backend role. The team runs a performance review and discovers the data-processing API is slow. The tech lead asks her to add timing instr...

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MAMohammad Amanmohammadaman.hashnode.dev

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Callbacks in JavaScript — why they exist and where they break

Apr 14 · 3 min read · Functions as values (the foundation) In JavaScript, functions can be: assigned to variables passed as arguments returned from other functions function greet(name) { return `Hello, ${name}`; }

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#functions

Trending tags this week

Understanding Important Array Methods in JavaScript

Understanding Callback Functions in JavaScript

Understanding this in JavaScript

JavaScript : Function Declaration vs Function Expression

Arrow Functions in JavaScript: A Simpler Way to Write Functions

Closures in JavaScript

Callbacks in JavaScript: Why They Exist

Functions in Python: Parameters, Return Values, and Scope

Decorators Explained: From Functions to Frameworks

Callbacks in JavaScript — why they exist and where they break