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JavaScript

Improved OpenTelemetry & Node Support in JavaScript v8 SDK

As first announced during Sentry Launch Week, we have been working on shipping a major release of our JavaScript SDKs. This update makes getting started with Sentry JavaScript SDKs (even more) straightforward. This release broadens the number of frameworks and libraries where we provide automatic instrumentation, meaning you can access telemetry data in Sentry on day one, without configuration.

Debugging: "Failed to construct 'Request': Invalid Argument." in Edge

Nothing changed in your code. All of a sudden, a tidal wave of errors start happening for Microsoft Edge users. What the heck happened? On August 28th, 2019, many TrackJS customers saw a sudden surge in errors from Microsoft Edge browsers: Failed to construct 'Request': Invalid Argument and Failed to execute 'fetch()' on 'Window': Invalid argument". Our Debugging blog series explores symptoms, causes, and solutions to common JavaScript errors.

How to Monitor JavaScript Log Messages and Exceptions with Playwright

Monitoring JavaScript log messages is how you know, at a basic level, what the browser’s JavaScript engine is doing in detail. Playwright provides an efficient way to listen for console logs and uncaught exceptions in your pages. This capability is invaluable for developers and testers aiming to catch and resolve issues early in the development cycle. This article will guide you through the process of setting up Playwright to monitor JavaScript logs and exceptions, enhancing your testing strategy.

Error Monitoring on Client- and Server-Side in NextJS 14+

NextJS is the hot JavaScript framework right now, and like all JavaScript, it can cause quite a few bugs on both the client- and server-side of your applications. One of the most powerful features of NextJS is enabling you to use your code, templates, and patterns across both the server and the client. NextJS will mostly figure out the most efficient place to run. This is super powerful and makes NextJS applications feel very fast compared to strictly client-side rendered applications.
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JS Toolbox 2024: Frameworks and static site generators

In 2024, JavaScript is bigger than ever. The ecosystem is just as huge, and almost impossible to keep track of - so I've had a go at picking out 2024's most essential JS tools for you. In part 1 of this series, we reviewed runtimes and package managers, the foundational building blocks of your software project. So in part 2, we're analyzing the tools which form the walls and roof that give your software project its structure: frameworks and static site generators. For this installment of JS Toolbox 2024, we explore various frameworks & generators available in the JavaScript & TypeScript ecosystem, analyzing their strengths, weaknesses, and ideal use cases.
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JS Toolbox 2024: Runtime environments & package management

JavaScript remains the world's leading programming language, and with TypeScript now ascending to third most popular, JavaScript is bigger than ever! As a result, there's a bewildering range of tools on offer for JavaScript developers. And just as any durable structure needs a solid foundation, successful JavaScript projects rely heavily on starting with the right tools. This post, the first in our JS Toolbox 2024 series, explores the core pillars of the JavaScript & TypeScript ecosystem: Runtime environments, package management, and development servers.

Comparing NestJS and ExpressJS

Having delivered numerous applications, prototypes, and demos over the years, I’ve developed a deep appreciation for how robust development frameworks can significantly contribute to Speed to Delivery Time (SDT). This metric is vital in the fast-paced software industry, where the ability to bring scalable and maintainable applications to market quickly can set a project apart.

JS Toolbox 2024: Bundlers and Test Frameworks

JavaScript is bigger than ever, and the ecosystem is nothing short of overwhelming. In this JS toolbox 2024 series, we’ve selected and analyzed the most noteworthy JS tools, so that you don’t have to. In part 1 of this series, we explored the foundations of any JavaScript project: Runtime environments and package management. In part 2, we focused on JavaScript frameworks and static site generators.