JavaScript

Read blog posts about building and managing your JavaScript apps. We share tips & tricks about performance optimization, monitoring, and observability.

How to Choose Between SQL, Query Builders, and ORMs in Node.js
JavaScript

How to Choose Between SQL, Query Builders, and ORMs in Node.js

In this guide, we will compare the strengths, trade-offs, and use cases of SQL, query builders, and Object-Relational Mappers for building Node apps.

By Damilola Olatunji on

Generating Tests from Recorded Data in Node.js
JavaScript

Generating Tests from Recorded Data in Node.js

Let's dive into some easy and quick ways to collect and generate data and create schemas in Node.

By Ashley Davis on

Building Robust Data Synchronization Code in Node.js
JavaScript

Building Robust Data Synchronization Code in Node.js

We'll stress-test a peer-to-peer to-do application to ensure it never goes out of sync.

By Ashley Davis on

End-to-End Testing With TestCafe for Node.js
JavaScript

End-to-End Testing With TestCafe for Node.js

We'll learn what TestCafe is, understand how it works, explore its features, and see it in action with a complete example.

By Antonello Zanini on

Managing Asynchronous Operations in Node.js with AbortController
JavaScript

Managing Asynchronous Operations in Node.js with AbortController

We'll explore how AbortController works and how to manage async operations in Node with AbortController.

By Damilola Olatunji on

Fuzz Testing REST APIs in Node.js
JavaScript

Fuzz Testing REST APIs in Node.js

Let's use fuzz testing to challenge our REST API with a broad range of inputs, thoroughly testing and efficiently exercising our code.

By Ashley Davis on

AppSignal’s Top 5 JavaScript Posts in 2024
JavaScript

AppSignal’s Top 5 JavaScript Posts in 2024

Check out the 5 JavaScript posts that really stood out on our blog in 2024.

By Ana Malinović on

A Deep Dive Into CommonJS and ES Modules in Node.js
JavaScript

A Deep Dive Into CommonJS and ES Modules in Node.js

While CommonJS has served the Node community well, ES modules are rapidly gaining traction. Let's take a deep dive into both.

By Damilola Olatunji on

Unit Testing in Node.js With Jest
JavaScript

Unit Testing in Node.js With Jest

Jest has become one of the most popular solutions when unit testing in Node: let's see why.

By Antonello Zanini on

Avoiding False Positives in Node.js Tests
JavaScript

Avoiding False Positives in Node.js Tests

Let's examine several common false positive patterns that can crop up in Node.js test suites.

By Greg Gorlen on

Manage Your Pino Logs with AppSignal
JavaScript

Manage Your Pino Logs with AppSignal

With support for Pino logs and Fastify V5, AppSignal lets you easily centralize and monitor logging data for faster application performance troubleshooting.

By Connor James on

Streamlined Contract Testing in Node.js: A Simple and Achievable Approach
JavaScript

Streamlined Contract Testing in Node.js: A Simple and Achievable Approach

Let's explore a simplified approach to contract testing that offers all the benefits with less work.

By Ashley Davis on

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