Learn CSS if() function: How it works and why it matters

CSS-Only Scroll-State Queries for Dynamic Navigation ❌ No JavaScript needed! We can finally build context-aware navigation headers without a single line of JavaScript, thanks to the new CSS scroll-state query and the powerful scrolled state. The scrolled state tracks the last scroll direction, in contrast to the simpler scrollable queries. This makes it perfect for creating those slick, context-aware "sticky headers" that only appear when you're scrolling back up. 🎩 The "Hidey Bar" Effect with Pure CSS When scrolling down, the header hides itself. When scrolling back up, it reveals itself. All you need is the @container scroll-state(scrolled: bottom) query! Here is the essential code to hide a fixed header when you scroll down: html { container-type: scroll-state; } header { transition: translate 0.25s; translate: 0 0; /* Slide header up when last having scrolled towards the bottom */ @container scroll-state(scrolled: bottom) { translate: 0 -100%; } } What are your thoughts on this new CSS feature? Are you planning to use scroll-state queries in your next project? 𝗡𝗼𝘁𝗲 𝗼𝗻 𝗯𝗿𝗼𝘄𝘀𝗲𝗿 𝘀𝘂𝗽𝗽𝗼𝗿𝘁: This is a very new feature and still has limited support. As of now, it's available in Chrome 144+. caniuse: https://lnkd.in/dWFm-ckF Reference: Post by Bramus https://lnkd.in/dR69Z69a Code Demo by Bramus: https://lnkd.in/dYgceun8 #CSS #CSSTricks #Frontend #WebDevelopment #CodingTips #WebDev #CleanCode #itsmacr8

"Critical Rendering Path" in JavaScript - The Secret to Faster Websites! 🚀 Ever wondered what really happens between typing a URL and seeing the page appear on your screen? That’s where the Critical Rendering Path (CRP) comes in - the invisible journey your browser takes to turn HTML, CSS, and JS into pixels on your screen. 🧩 Let’s break it down 👇 What is the Critical Rendering Path? The Critical Rendering Path is the sequence of steps the browser follows to: 1️⃣ Parse your HTML → build the DOM (Document Object Model) 2️⃣ Parse your CSS → build the CSSOM (CSS Object Model) 3️⃣ Combine both → form the Render Tree 4️⃣ Calculate layout → figure out where everything should be 5️⃣ Paint → render pixels to the screen 🎨 Every step here adds time ⏳ and optimizing this path makes your site feel snappy⚡. Why JavaScript Matters Here? JavaScript can block rendering if not handled carefully. If your JS runs before the page is painted, the browser waits to execute it before showing content. ✅ defer ensures your JS runs after the HTML is parsed. ✅ async lets scripts download while the rest of the page loads (great for independent scripts). Quick Optimization Tips -> 🚀 Minimize render-blocking resources (CSS/JS in the head) ✅ defer → JS loads without blocking the DOM 📦 Inline critical CSS for above-the-fold content ✅ media="print" hack → async CSS loading 🧱 Lazy load images and non-critical scripts ✅ loading="lazy" → images load only when visible 🧩 Use compression & caching (gzip, brotli, CDN) 🧭 Visual Summary 🗂️ HTML → DOM 🎨 CSS → CSSOM 🌳 DOM + CSSOM → Render Tree 📏 Layout → sizes & positions 🖼️ Paint → pixels to screen That’s your Critical Rendering Path - the heartbeat of front-end performance ❤️ If you love learning how browsers actually work - 👉 Follow me for more deep dives into JavaScript, Web Performance & Frontend Magic! ✨ #JavaScript #WebPerformance #FrontendDevelopment #WebDev #PerformanceOptimization #CriticalRenderingPath #LearnJavaScript #FrontendTips #CodingCommunity #WebOptimization #DeveloperCommunity #AkshayPai #Reactjs #Angular #Frontend #WebDevelopment

🚀Understanding the DOM in JavaScript In this session, we dived into one of the most essential concepts in web development — the Document Object Model (DOM). 🌳 What is the DOM? The DOM represents an HTML document as a tree structure, enabling JavaScript to access, modify, and dynamically interact with webpage content, structure, and styling. ✅ Topics We Covered 🔍 Accessing DOM Elements getElementById() – Select elements using a unique ID getElementsByClassName() – Retrieve elements by class getElementsByTagName() – Select elements using tag names querySelector() – Fetch the first match to a CSS selector querySelectorAll() – Fetch all matches to a CSS selector 🛠️ Manipulating DOM Elements setAttribute() – Add or update attributes createElement() – Dynamically create HTML elements innerHTML – Insert or update HTML content 🎛️ Accessing User Input Using .value, we can retrieve user-entered data from: Text fields Dropdowns Text areas ⚡ DOM Events We Explored onclick onchange onsubmit onkeypress / onkeydown / onkeyup onmouseover / onmouseout onload ✅ What We Practiced Accessing HTML elements using document.getElementById() Reading values from input fields, dropdowns, and text areas Displaying output dynamically using innerHTML Handling user interactions through onclick events 🖥️ Output on Browser When the user enters their name, email, and selects a city, clicking the Submit button displays all the information directly on the webpage — no reloads, no console logs, just smooth DOM manipulation. 🎯 Key Takeaways The DOM enables real-time interaction between HTML and JavaScript innerHTML helps display dynamic content instantly Event handling makes web pages interactive and user-friendly A big thank you to Ravi Siva Ram Teja Nagulavancha Sir Saketh Kallepu Sir Uppugundla Sairam Sir Codegnan #WebDevelopment #JavaScript #DOM #Frontend #HTML #CSS #Programming #LearningJourney #Developers #TechEducation #Codegnan

Unlock the true power of modern HTML with ten native elements that streamline your code, boost accessibility, and cut down on unnecessary JavaScript. Discover how these overlooked tags can make your sites smarter, faster, and easier to maintain—no extra dependencies required. Want to write markup that works harder for you? Dive in and see what you’ve been missing.

How to remove empty elements with CSS 🚀 (No JS needed. Just pure CSS magic.) Ever had an HTML element that's completely empty, creating weird gaps in your layout? Maybe JavaScript was supposed to add content but didn't, or an API response came back blank. Whatever the reason, you can hide these empty freeloaders with a simple and powerful CSS pseudo-class: :empty. What does :empty do? The :empty selector targets any element that has no children at all. This means no text, no other HTML tags, and not even an HTML comment inside. For example, it would match this <span>: <span class="error-message"></span> However, it will not match an element if there’s even a single space or a newline character inside, because the browser considers that space a "text node child". <span class="error-message"> </span> This is a critical detail to remember, as some code formatters might add whitespace automatically. How to use it Let's say you have a <div> that should only appear if there is an error message inside it. <div class="error-container"></div> Instead of using JavaScript to check if it's empty, you can just write one line of CSS to hide it by default if it has no content. .error-container:empty { display: none; } This CSS tells the browser: "Find any element with the class error-container, and if it's completely empty, hide it." If JavaScript later adds an error message inside, the :empty selector will no longer apply, and the container will become visible automatically. It's a simple, elegant way to build cleaner and more resilient UIs. It has even more cool use cases like: Removing padding from empty paragraphs Use to find out any empty elements you forgot. Hide search suggestions container when it's empty. But I'll leave that to your imagination. PS: If you liked this trick... I’ve made a full ebook that teaches how to build modern, responsive designs using only Flexbox and Grid. Get it here: [https://lnkd.in/gwRTha-h]

Validate your forms with pure CSS ✅ (Stop relying on JavaScript for simple validation) Tired of writing JavaScript just to check if an email is valid or a field isn’t empty? You don’t need JS for that anymore. CSS can do a lot of form validation by using built-in HTML attributes like required, type="email", or pattern. The key pseudo-classes are :valid and :invalid. The Problem with Default Validation By default, a “required” field is marked as :invalid even before the user types anything. That means your input might look like an error the moment the page loads — not a great experience. The Solution: The :not(:placeholder-shown) Trick You can fix this by showing the validation style only after the user starts typing. Here’s how: input:not(:placeholder-shown):valid { border-color: green; } input:not(:placeholder-shown):invalid { border-color: red; } How it works: input:not(:placeholder-shown):invalid targets inputs that are both invalid and not empty. So it doesn’t show an error until the user types something. The New & Better Way: :user-valid Newer browsers now support :user-valid and :user-invalid. These are even better because they only apply after the user interaction. Though it won't show anything until the user leaves the input (when it loses focus). So, it won't be real-time, that's why I used the older approach. So, it's up to you which one you'd like to use. PS: If you want to master Flexbox and Grid to build any layout in minutes, I made a 112-page visual guide that shows you exactly how. Grab it here: [https://lnkd.in/gxJ6DDYv]

HTML builds the house, CSS paints it, but JavaScript throws the party inside! 🥳 You can stare at static HTML and CSS all day, and it might look great. You'll have buttons, text, and structure. But it's just a lifeless webpage. Then, JavaScript walks in. Take this simple calculator project I built. HTML: Set up the "8", the "2", the four operation buttons, and a place for the answer. CSS: Made it all look clean and centered. JavaScript: This is where the magic happens. 🧠 With a few lines of JS, those buttons suddenly have a purpose. They "listen" for a click, grab the numbers, perform the math, and instantly update the page with the correct answer. That's the power of JavaScript and DOM manipulation, It takes a static document and turns it into a living, interactive application. It's the engine that brings your code to life! What was the first project that made you truly appreciate the power of JavaScript? #JavaScript #WebDevelopment #FrontEndDeveloper #HTML #CSS #CodingJourney #Developer #Tech #LearnToCode

🚀 CSS just changed the game — and you might have missed it ! For years, developers have been asking: "Can CSS do conditional logic?" And, the answer was always "use JavaScript" or "here's a workaround." Not anymore !! The W3C just introduced the if() function to CSS, and it's a genuine paradigm shift. Read The Full Blog: https://lnkd.in/gwwbJGuQ #WebDevelopment #CSS #Frontend #WebDesign

Todo List Project using HTML, CSS & JavaScript 🚀 New Project Alert! In my latest video, I built a beautiful and functional Todo List App using HTML, CSS, and JavaScript 🎯 ✨ What you’ll learn in this project: ✅ How to design a responsive UI with CSS Flexbox & Gradients ✅ How to add, delete, and manage tasks dynamically using JavaScript ✅ How to use Local Storage to save todos — so your tasks stay even after page refresh ✅ How to create interactive features like checkboxes and strike-through effects 🧠 Concepts covered: DOM Manipulation Event Handling (click, onclick) Data Persistence with localStorage Dynamic Element Creation in JS 💻 Tech Stack: HTML | CSS | JavaScript [🔗https://lnkd.in/gAfu3Tt6 ] If you found it helpful, don’t forget to like, comment, and share to help others learn too! 🙌 #JavaScript #WebDevelopment #Frontend #Coding #HTML #CSS #Projects #Learning #TodoList#Manoj Kumar Reddy Parlapalli#10000 Coders

Styling by State: How to make CSS do JS In this article, I want to explore how we can use CSS’s powerful attribute selectors to manage component states (traditionally handled by JavaScript) directly within our stylesheets. https://lnkd.in/eN_CxSva