Trevor I. Lasn, Building 0xinsider

Discover how the HTML details element can replace your JavaScript accordions and why it might be better than your current solution

Copy and paste text, images, and files using the new navigator.clipboard API

Detect CSS feature support and provide smart fallbacks with @supports

CSS nesting is finally supported in all major browsers.

The content-visibility CSS property delays rendering an element, including layout and painting, until it is needed

The rel='modulepreload' indicates that a module script should be fetched, parsed, and compiled preemptively, and stored for later execution

Transform your CSS with :has(), the game-changing selector that finally lets us style elements based on their children.

Exploring new CSS line-height units that eliminate guesswork from vertical rhythm

The search HTML element is a container that represents the parts of the web page with search functionality

From slow to fast: Using JavaScript's Performance API to optimize web apps

Social platforms promise exposure but quietly hold your audience hostage

How to properly preload responsive images to improve initial page load

Understand how HTTP CONNECT enables HTTPS traffic through proxies

Learn how to prioritize and control task execution in JavaScript using the new Scheduler API for better performance and user experience

Understanding the real use cases for WebAssembly beyond the performance hype

The creator of JavaScript and Node.js are challenging Oracle's control over the JavaScript name

Understanding recursion through real examples - why functions call themselves and when to use them

Manage yarn and pnpm versions consistently across your team

How to handle unique values and key-value pairs properly without type coercion and performance issues

The Open Source Pledge aims to address open source sustainability challenges by encouraging companies to pay $2,000 per developer per year

How to handle exact decimal calculations in JavaScript when floating-point precision isn't good enough

Deep dive into JavaScript Symbols - what they are, why they matter, and how to use them effectively

How fake job postings became a systemic problem in tech recruiting

Scrum is failing engineering teams and what it's actually costing us

A practical guide to left and right shift operators in JavaScript

Stop mixing try/catch with Promise chains - JavaScript's new Promise.try handles return values, Promises, and errors uniformly

Understanding the new import attributes syntax and why we can't rely on file extensions alone

A guide to using ??

Use the &&= operator to safely update truthy values while preserving falsy states

Why the first day back can reveal everything about your engineering team's health

Welcome to the future of corporate leadership.

A deep dive into Pkl, Apple's configuration language that aims to replace JSON and YAML

Symmetric encryption algorithms like Advanced Encryption Standard (AES) are largely quantum-resistant already

A deep dive into how pipeline operators can make your code more readable and maintainable

Meet the innovators who laid the foundation for modern computing.

localStorage is vulnerable to XSS and has no expiry or encryption.

All 8 falsy values in JavaScript explained with examples.

Master JavaScript logical operators with practical examples and best practices

A deep dive into how browsers parse and manipulate CSS, its impact on web performance, and why it matters

A developer's guide to tech interviews - from someone who sits on both sides of the table

How I used Cloudflare Zaraz to offload third party scripts and improve my website performance.

Inside Anthropic's unique approach to preventing talent poaching and maintaining organizational equality

A guide to catching and preventing credential leaks in your code using Secretlint

A tool that packages your code to easily share with LLM models.

Examining the Devaluation of Software Engineer Titles and Its Impact on Tech Industry Integrity

Automatically improve your Astro site's performance using astro-capo

Content Security Policy (CSP) acts like a shield against XSS attacks.

When Evan You announced VoidZero, I'll admit - I got excited.

We're often focused on big innovations and breakthrough moments.

How to implement the Open-Dyslexic font to enhance readability for users with dyslexia