Web apps would run much better if heavy calculations could be performed in the background, rather than compete with the user interface. With this book, you´ll learn how to use Web Workers to run computationally intensive JavaScript code in a thread parallel to the UI. Yes, multi-threaded programing is complicated, but Web Workers provide a simple API that helps you be productive without the complex algorithms.
If you have an intermediate to advanced understanding of JavaScript- especially event handling and callbacks-you´re ready to tackle Web Workers with the tools in this example-driven guide.
Start creating Web Workers and understand what they can and can´t do Determine which browser versions support the API Use dedicated Web Workers for tasks that consume a lot of CPU, such as data parsing Explore use cases for creating inline Workers, such as encapsulating a web app in one page Create a shared Worker to communicate multiple web app instances to the server, and other uses Learn best practices for debugging Web Workers Apply Web Workers within the server-side Node environment
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