Article
JavaScript Promise Handling Patterns for Reliable Async Code
Reliable async code depends on predictable promise handling. This article shows when to use each pattern, how failures propagate, and what to verify before production.
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Article
Secure JavaScript Input Validation with Regular Expressions
Regular expressions can be a useful control for JavaScript input validation, but only when they are scoped to known formats, paired with length and type checks, and verified …
Article
JavaScript Prototype Pollution Prevention and Detection Techniques
Prototype pollution can turn ordinary object handling into a security problem. This article explains how it works, how to detect risky code paths, and what to verify before …
Article
JavaScript Promise Error Handling with async/await
Promise errors become easier to reason about with async/await, but only if you know where exceptions are actually caught, where they are not, and how to verify behavior …
Article
JavaScript Prototype Pollution: Detect and Prevent Exploits
Prototype pollution turns ordinary object merging and property access into a security issue. Learn how to detect it, recognize risky code paths, and verify that your controls actually …
Article
JavaScript Secure Coding: Prevent Prototype Pollution Attacks
Prototype pollution can turn ordinary object handling into a security issue. Learn how the attack works, where it appears in JavaScript code, and what to verify before production.
FAQ
JavaScript FAQ: How to Handle Async Errors with Promises
Async errors in JavaScript Promises are easy to miss until they break production workflows. This FAQ explains how to catch them reliably, when to use try/catch with await, …
How-To Guide
How to get started with JavaScript
A practical first workflow for setting up JavaScript, running a script, validating the output, and deciding when it is ready for broader use.