Tech with Marko

How to Comment in HTML (Single-Line, Multi-Line and Shortcuts) How to write comments in HTML with <!-- -->: single-line and multi-line comments, commenting out code, the keyboard shortcut, what you cannot put inside a comment, and comments in JSX, Vue and PHP. https://markodenic.com/html-comments/

Neon Text Effect in CSS (Glowing Text) Create glowing neon text with CSS text-shadow: a classic neon sign, a flickering neon animation and different neon colors. Copy-paste code. https://markodenic.com/snippets/css/neon-text/

301 Redirects in .htaccess: Copy-Paste Examples Every 301 redirect you'll need in .htaccess: single pages, folders, whole domains, HTTP to HTTPS, www to non-www, trailing slashes and regex patterns, plus testing them and doing it right in WordPress. https://markodenic.com/htaccess-301-redirect/

Gitignore Generator Free .gitignore generator. Pick your stack (Node.js, Next.js, Laravel, WordPress, Python, Go and 35+ more), combine templates, add your own rules, then copy or download the file. https://markodenic.com/tools/gitignore-generator/

How to Check and Update Your Node Version (Windows, Mac, Linux) Check your Node.js version with node -v, then update it with nvm, fnm, winget, Homebrew or apt. Plus which version to run in late 2026 and how to pin it per project. https://markodenic.com/check-node-version/

window.opener and target="_blank": The Tabnabbing Risk Explained What window.opener is, how reverse tabnabbing attacks used target="_blank" links, why rel="noopener" fixes it, what browsers do by default today, and how popups like OAuth logins should communicate instead. https://markodenic.com/window-opener/

npm uninstall: How to Remove (and Update) npm Packages How to uninstall npm packages: local, dev and global packages, several at once, everything in node_modules, finding unused dependencies, plus how to update all packages and the yarn and pnpm equivalents. https://markodenic.com/npm-uninstall-package/

CSS radial-gradient(): Syntax and Examples How CSS radial-gradient() works: circle vs ellipse, size keywords, position, color stops, repeating gradients, and copy-paste examples for glows, spotlights, dot patterns and vignettes. https://markodenic.com/radial-gradient-css/

Headless WordPress: What It Is, Pros and Cons, and How to Start Headless WordPress explained: using WordPress as a content API with a Next.js, Astro or Nuxt front end. How the REST API and WPGraphQL work, the real pros and cons, and when it's worth it. https://markodenic.com/headless-wordpress/

CSS Progress Bar: Custom, Animated and Native Copy-paste CSS progress bars: a custom progress bar, an indeterminate loading bar, a striped animated bar, and how to style the native HTML progress element. https://markodenic.com/snippets/css/progress-bar/

Truncate Text in CSS: text-overflow: ellipsis and line-clamp Truncate text with an ellipsis in CSS: one line with text-overflow: ellipsis, several lines with line-clamp, and fixes for when the ellipsis doesn't show in flexbox, grid and tables. https://markodenic.com/text-overflow-ellipsis/

CSS Grid Generator: Visual Layout Builder with Grid Areas Free CSS grid generator: set columns, rows and gaps, drag to create named grid-template-areas, and copy clean CSS, HTML or Tailwind code. https://markodenic.com/tools/css-grid-generator/

CSS Class Selector: Single, Multiple and Combined Classes How CSS class selectors work: adding multiple classes to an element, .a.b vs .a .b vs .a, .b, class vs id, naming rules, specificity, and adding or removing classes with JavaScript. https://markodenic.com/css-class-selector/

Pure CSS Tabs (No JavaScript) Build tabs with pure CSS and no JavaScript, using radio buttons and :checked, plus the accessible version with buttons and a few lines of JavaScript. https://markodenic.com/snippets/css/pure-css-tabs/

JavaScript Reserved Words: The Complete List of Keywords The full list of JavaScript reserved words and keywords, the extra ones reserved in strict mode and modules, words that are only special in context, and the errors you get when you use them as names. https://markodenic.com/javascript-reserved-words/

Will AI Replace Programmers? What's Actually Changing Will AI replace programmers? Not the job, but parts of the work. What the data shows, which tasks AI handles, who is most exposed, and what developers can do now. https://markodenic.com/will-ai-replace-programmers/

Hide Scrollbar in CSS (and Style a Custom Scrollbar) Hide the scrollbar with CSS while keeping scrolling, hide it completely, hide only the horizontal one, prevent layout shift with scrollbar-gutter, and style a custom scrollbar in every browser. https://markodenic.com/hide-scrollbar-css/

BEM in CSS: Block, Element, Modifier Naming Explained BEM (Block, Element, Modifier) explained with a real example: the naming rules, how to handle nested elements and modifiers, BEM with Sass, common mistakes, and BEM vs Tailwind and CSS Modules. https://markodenic.com/bem-css/

URLSearchParams: Read and Update URL Query Parameters in JavaScript How to use URLSearchParams in JavaScript: get, set, append and delete query parameters, read the current URL, update it without reloading, build fetch URLs, and avoid the common gotchas. https://markodenic.com/urlsearchparams/

CSS !important: What It Does and When to Use It What !important does in CSS, how it beats specificity, how to override an !important rule, how it works with cascade layers and JavaScript, and better alternatives for most cases. https://markodenic.com/css-important/