DEV Community

Node.js

A JavaScript runtime built on Chrome's V8 JavaScript engine.

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
Node vs Python vs Go for AI Backends (2026)

Node vs Python vs Go for AI Backends (2026)

Comments
4 min read
US warns of two serious security flaws being exploited in attacks

US warns of two serious security flaws being exploited in attacks

Comments
2 min read
How Swapping to Undici Cuts Claude API Latency in Node.js Lambda, Explained Simply

How Swapping to Undici Cuts Claude API Latency in Node.js Lambda, Explained Simply

1
Comments
11 min read
Validate tool-call arguments before your agent executes them: an 80-line JSON Schema check for MCP tools in Node

Validate tool-call arguments before your agent executes them: an 80-line JSON Schema check for MCP tools in Node

2
Comments 3
7 min read
Cancelling timers with AbortController: seven cases including cleanup

Cancelling timers with AbortController: seven cases including cleanup

Comments 1
4 min read
What Existed Before React?

What Existed Before React?

Comments
3 min read
Put a deadline on an MCP tool's downstream request

Put a deadline on an MCP tool's downstream request

Comments
3 min read
Why EU B2B Checkouts Falsely Charge 17%-27% VAT When National VIES Databases Are Busy (The HTTP 200 OK Soft-Failure Trap)

Why EU B2B Checkouts Falsely Charge 17%-27% VAT When National VIES Databases Are Busy (The HTTP 200 OK Soft-Failure Trap)

Comments
3 min read
Node.js Player Disconnects in 2026: Lease-Based Lobby Host Succession

Node.js Player Disconnects in 2026: Lease-Based Lobby Host Succession

Comments
6 min read
Typing Indicators in Node.js: Server Throttle and Client Expiry for Live Polls

Typing Indicators in Node.js: Server Throttle and Client Expiry for Live Polls

Comments
5 min read
Reliable Feature Flag Middleware for Checkout Failures — Signal Before Noise

Reliable Feature Flag Middleware for Checkout Failures — Signal Before Noise

Comments
6 min read
Our only patched dependency spells its version in four places by hand, and the install checks three of them

Our only patched dependency spells its version in four places by hand, and the install checks three of them

1
Comments
4 min read
Webhook Retry in Node.js: Rate-Limited Queue Recovery for Stale Marketplace Reservations

Webhook Retry in Node.js: Rate-Limited Queue Recovery for Stale Marketplace Reservations

Comments 1
9 min read
Node.js Feature Flags with REST — Safe Toggles and Cost-Aware Logs

Node.js Feature Flags with REST — Safe Toggles and Cost-Aware Logs

Comments
8 min read
LLM API Cost: How Token Count Impacts Node.js Knowledge Retrieval

LLM API Cost: How Token Count Impacts Node.js Knowledge Retrieval

Comments
6 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.