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Created October 3, 2013 03:27
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Asynchronous JavaScript Notes.md

Asynchronous Javascript Notes

Unique problems for Javascript:

  • JavaScript is single threaded
  • Most I/O is performed asynchronously in JavaScript (by design)
  • On client side
    • App is driven by user input
    • Most CPU work presumably done by DOM
  • On server side
    • App is driven by HTTP requests
    • Most of your app is CRUD anyway

#Why is this a big deal? I/O is EXPENSIVE

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