Episode

Demo: Promises for long running operations [46 of 51]

Calls to databases and other external services can take a while. We need to ensure the application doesn't cease all operations while those complete. By using promises we can allow for better thread management and ensure our application stays responsive and has better performance.

Learn more at: https://github.com/microsoft/beginners-intro-javascript-node
Watch the entire series: https://aka.ms/BeginnersSeriesToJavaScript

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JavaScript