📰 Dev.to · Kathirvel S

Articles from Dev.to · Kathirvel S · 19 articles · Updated every 3 hours · View all reads

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Dev.to · Kathirvel S 5d ago

I Built a Simple Todo App (and Learned More Than I Expected!)

I built a simple Todo List App using JavaScript — something that keeps track of tasks quietly in the...

Dev.to · Kathirvel S 1w ago

Stop Messing With APIs: How fetch() and .json() Actually Work

Imagine you’re in NASA mission control. Artemis 2 is about to launch — humanity’s next giant leap in...

Dev.to · Kathirvel S 2w ago

JavaScript Promises: Transform Your Async Code from Messy to Clean

It’s late at night. You open Instagram just for a quick scroll. The app loads… but something feels...

Dev.to · Kathirvel S 2w ago

JavaScript Closures Explained Simply

Let’s be honest. Closures in JavaScript sound scary at first. You’ve probably seen definitions...

Dev.to · Kathirvel S 2w ago

JavaScript Dates Finally Make Sense (Here’s How)

Okay, quick question… Have you ever written some JavaScript code, checked the date… and...

Dev.to · Kathirvel S 2w ago

Mastering createElement in JavaScript (In a Way That Actually Sticks)

Let’s be honest. Writing static HTML is easy. But the moment someone says “make it dynamic,”...

Dev.to · Kathirvel S 3w ago

DOM in JavaScript — What Actually Happens When Your Code Runs

You’ve probably written DOM code like this before: document.getElementById("title").textContent =...

Dev.to · Kathirvel S 3w ago

JavaScript Constructor Functions (Stop Copy-Pasting Objects)

Let me guess something. You learned JavaScript objects like this: const dog1 = { name:...

Dev.to · Kathirvel S 1mo ago

Avoid Writting Messy JavaScript: Learn Object Destructuring Today

Let’s be honest for a second. If your JavaScript still looks like this: const user = { name:...

Dev.to · Kathirvel S 1mo ago

JavaScript Secrets: undefined vs Missing Property & { } + [ ] Quirks Explained

While debugging your code and ended up staring at undefined like it owes you money? Or tried { } + []...

Dev.to · Kathirvel S 1mo ago

Array Destructuring in JavaScript

Have you ever looked at your JavaScript code and thought… "Why am I writing so many lines just to...

Dev.to · Kathirvel S 1mo ago

How JavaScript Really Runs Behind the Scenes

When we write JavaScript, it often feels magical. You write a few lines of code, open the browser,...

Dev.to · Kathirvel S 1mo ago

JavaScript Objects Basics Explained

If you’ve started learning JavaScript, you’ll hear one sentence again and again: “Everything in...

Dev.to · Kathirvel S 1mo ago

Why typeof( [ ] ) Returns "object" in JavaScript

If you’ve been writing JavaScript for even a short time, you’ve probably seen this: typeof [] //...

Dev.to · Kathirvel S 1mo ago

Array Iteration Methods in JavaScript (Explained with Examples)

in this post, we’ll go step by step through the most important array iteration methods in JavaScript,...

Dev.to · Kathirvel S 1mo ago

Arrays in JavaScript for Beginners

When learning JavaScript, arrays are one of the most important concepts to understand. They look...

Dev.to · Kathirvel S 1mo ago

Dive into JavaScript Functions(Basics only)

When I first started learning JavaScript, functions felt simple… until they didn’t. I knew how to...

Dev.to · Kathirvel S 1mo ago

JavaScript Basics: Ternary Operator, Truthy/Falsy, and Switch Case

If you're learning JavaScript, understanding conditionals is very important. In this post, we’ll...

Dev.to · Kathirvel S 3mo ago

Details on Git and Gitlab

What is Git? _-->First of all GIT stands for "Global Information Tracker" -->Git is...