javascript-debugging

Diagnose JavaScript runtime errors and performance issues using Chrome DevTools and Node.js Inspector.

1|Updated Mar 22, 2026

Search Tags:#debugging #javascript #profiling #nodejs #chrome-devtools #memory-profiling #event-loop

Ready to run

npx skills add https://github.com/caraya/agent-skills --skill javascript-debugging-caraya

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Please help me install this Agent Skill.
Skill: javascript-debugging
Source: https://github.com/caraya/agent-skills/tree/main/skills/javascript-debugging
Command: npx skills add https://github.com/caraya/agent-skills --skill javascript-debugging-caraya

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

JavaScript runtime errors, event loop stalls, and memory profiling are diagnosed and resolved using Node.js Inspector and Chrome DevTools.

Core Features & Use Cases

Debugging Node.js and browser runtimes
Analyze event loop behavior, memory usage, and async control-flow issues
Use case: diagnose memory leaks, undefined behavior, or callback hell in a web application

Quick Start

Start debugging by launching your app with a debug session attached to Chrome DevTools and the Node.js inspector.

Frequently Asked Questions about javascript-debugging

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I debug Node.js event loop stalls and memory leaks?▼

Debug Node.js event loop stalls and memory leaks by launching your app with a debug session attached to Chrome DevTools and the Node.js inspector to analyze runtime behavior, heap profiles, and async control-flow issues.

Can I use Chrome DevTools to diagnose browser-based JavaScript runtime errors?▼

Chrome DevTools diagnoses browser-based JavaScript runtime errors by attaching a debug session to inspect frontend-backend workloads, memory usage, and asynchronous control-flow bugs for root cause identification.

What's the best way to profile memory usage in a Node.js server application?▼

Profiling memory usage in a Node.js server application is best done using Node.js Inspector workflows and heap profiling to identify memory leaks, undefined behavior, and callback hell.

Does this debugging approach work for both Node.js servers and frontend scripts?▼

This debugging approach works for both Node.js servers and browser-based frontend scripts, diagnosing runtime errors, event loop behavior, and async control-flow issues across full-stack workloads.

How do I start a debug session for asynchronous control-flow bugs?▼

Start a debug session for asynchronous control-flow bugs by launching your web application with Chrome DevTools and the Node.js inspector attached to trace event loop stalls and memory profiling data.