Understanding CSS Side-Channel Attacks: Mechanisms, Risks, and Prevention
You escaped every bit of user input in your HTML. You locked down your script sources. Then someone pastes a few
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30 Days of JavaScript: Introduction to TypeScript, Day 25
You have spent 24 days writing JavaScript that runs first and complains later. A typo in a property name, a number
30 Days of JavaScript: Progressive Web Apps (PWAs), Day 24
You build a site, it works great, then someone opens it on a train that dives into a tunnel and the
30 Days of JavaScript: Accessibility and JavaScript, Day 20
Tab through enough of the web and the cracks show fast. A menu that won’t open from the keyboard. A button
30 Days of JavaScript: Introduction to Functional Programming, Day 18
Day 18. You’ve written a fair bit of JavaScript by now, and some of it has probably bitten you: a function
30 Days of JavaScript: Object-Oriented JavaScript, Day 14
By now you’ve written a fair bit of JavaScript in this 30 Days of JavaScript series, and your files are probably
30 Days of JavaScript: JavaScript Libraries and Frameworks, Day 13
Nobody writes everything from scratch. The moment you need to manipulate the DOM, wrangle a date, or build a screen that
30 Days of JavaScript: Working with JSON, Day 12
You call an API, and back comes a wall of text. Before your code can do anything with it, that text
30 Days of JavaScript: Performance Optimization Techniques, Day 11
You’ve written code that works. Then you ship it, someone opens it on a mid-range phone, and it stutters. Closing that
30 Days of JavaScript: Error Handling and Debugging, Day 10
Your code just broke, and the browser is yelling at you in red. The instinct is to panic, or to start
30 Days of JavaScript: Building a Simple ToDo App with JavaScript, Day 8
You’ve spent a week on syntax and small exercises. Today you build something you’d actually keep in a tab: a ToDo
30 Days of JavaScript: Responsive Web Design with JavaScript, Day 7
Day 7. Your layout looks sharp on your laptop, then someone opens it on a phone and the whole thing folds
30 Days of JavaScript: Introduction to JavaScript and Setting Up Your Environment, Day 1
JavaScript is the one language that runs everywhere a web developer works. It powers the button that responds when you click
How to Fix “Uncaught TypeError: Cannot read property ‘msie’ of undefined jQuery”
You updated jQuery, and now the console is screaming: “Uncaught TypeError: Cannot read property ‘msie’ of undefined.” A slider stops sliding,
Remove Query Strings from Static Resources
Run a WordPress site through GTmetrix or Pingdom a few years back and you’d get scolded for one thing: those ?ver=1.0.0