16 articles

📰 Dev.to · Souvik Guha Roy

Articles from Dev.to · Souvik Guha Roy · 16 articles · Updated every 3 hours · View all reads

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Understanding the this Keyword in JavaScript
Dev.to · Souvik Guha Roy 1w ago
Understanding the this Keyword in JavaScript
JavaScript has a special keyword called this that often confuses beginners. The key idea: this...
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Map and Set in JavaScript
Dev.to · Souvik Guha Roy 1w ago
Map and Set in JavaScript
JavaScript offers Map and Set as modern data structures to solve common problems with traditional...
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Destructuring in JavaScript
Dev.to · Souvik Guha Roy 1w ago
Destructuring in JavaScript
Have you ever written code like this? ```js id="before1" const user = { name: "Rahul", age: 22...
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JavaScript Promises Explained for Beginners
Dev.to · Souvik Guha Roy 1w ago
JavaScript Promises Explained for Beginners
JavaScript is single-threaded, meaning it can only do one thing at a time. But what if you need to...
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Synchronous vs Asynchronous JavaScript
Dev.to · Souvik Guha Roy 1w ago
Synchronous vs Asynchronous JavaScript
JavaScript is single-threaded—but it can still handle multiple tasks efficiently. How? The answer...
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Async/Await in JavaScript: Writing Cleaner Asynchronous Code
Dev.to · Souvik Guha Roy 1w ago
Async/Await in JavaScript: Writing Cleaner Asynchronous Code
Handling asynchronous code in JavaScript used to be messy—first with callbacks, then with...
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Error Handling in JavaScript: Try, Catch, Finally
Dev.to · Souvik Guha Roy 1w ago
Error Handling in JavaScript: Try, Catch, Finally
No matter how good your code is, errors are inevitable. What matters is how you handle...
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Spread vs Rest Operators in JavaScript
Dev.to · Souvik Guha Roy 1w ago
Spread vs Rest Operators in JavaScript
If you’ve ever seen ... in JavaScript and wondered what it does—you’re not alone. The same syntax is...
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String Polyfills and Common Interview Methods in JavaScript
Dev.to · Souvik Guha Roy 1w ago
String Polyfills and Common Interview Methods in JavaScript
Strings are everywhere in JavaScript—from user input to APIs. While JavaScript provides many built-in...
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The new Keyword in JavaScript
Dev.to · Souvik Guha Roy 1w ago
The new Keyword in JavaScript
If you’ve ever seen code like this: const user = new User("Rahul"); Enter fullscreen mode ...
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Callbacks in JavaScript: Why They Exist
Dev.to · Souvik Guha Roy 1w ago
Callbacks in JavaScript: Why They Exist
JavaScript is powerful—but also a bit tricky when it comes to handling tasks that don’t happen...
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Template Literals in JavaScript
Dev.to · Souvik Guha Roy 1w ago
Template Literals in JavaScript
Handling strings is something every JavaScript developer does daily. But traditional string...
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Array Flatten in JavaScript
Dev.to · Souvik Guha Roy 1w ago
Array Flatten in JavaScript
Working with arrays is common in JavaScript—but sometimes arrays can get nested, making them harder...
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JavaScript Modules: Import and Export Explained
Dev.to · Souvik Guha Roy 1w ago
JavaScript Modules: Import and Export Explained
Modern JavaScript development has evolved far beyond writing everything in a single file. As...
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The Magic of `this`, `call()`, `apply()`, and `bind()` in JavaScript
Dev.to · Souvik Guha Roy 4w ago
The Magic of `this`, `call()`, `apply()`, and `bind()` in JavaScript
One of the most confusing concepts for beginners in JavaScript is the keyword this. Sometimes this...
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JavaScript Arrays 101
Dev.to · Souvik Guha Roy 4w ago
JavaScript Arrays 101
When working with JavaScript, you will often need to store multiple values together. For example, you...
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