Hide a malicious JavaScript library in a PNG image and tweet it, then include it in a vulnerable website by exploiting a XSS bypassing its Content-Security-Policy (CSP). (more…)

Quick and concise guide to creating and organizing your first JavaScript library - by Roberto Dip... (more…)

There are so many ways to generate random strings in JavaScript and it doesn't really matter which me... (more…)

Modular JavaScript is a book series focusing on building small interconnected ES6 JavaScript modules that emphasizes on maintainability. Mastering Modular JavaScript is the second book in the series, and it discusses module thinking in detail. Mastering M... (more…)

If you’re like most programmers working today, you’ve probably written a few regular expressions in your time: short (or possibly long), almost inscrutable mixtures of letters and symbols which let you check if a string looks like you expect it to or not. (more…)