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An Introduction to HTML 5 Web Workers
The book's original source code can be downloaded from the Manning website and GitHub. The GitHub repository includes an updated-code branch that has been adjusted to work with the latest version of Emscripten (currently version 3.1.44). Prior to HTML 5 Web Workers, all JavaScript code would run in the same thread as the UI of that browser window. The result was that all long-running scripts would
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https://blogs.oracle.com/nashorn/nashorn-multithreading-and-mt-safety
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