Promises: async/await vs .then(), how we got here and why I use both

• co

  3 11,866 0.0 JavaScript

  The ultimate generator based flow-control goodness for nodejs (supports thunks, promises, etc)

Then after a while, we resorted to generator functions and cogenerators, which made async code feel like its synchronous, at the cost of wrapping it in a generator function, yielding every line and introducing a cogenerator library (for example co) to deal with unwrapping the promises like the following example, where we could just yield a promise whenever we encounter it and pretend that the yield does not exist on that line of code.

• proposal-async-await

  2 1,556 0.0 HTML

  Discontinued Async/await for ECMAScript

  

This evolution served as the inspiration of the async/await syntax introduced in es7, and finally we could just

• SurveyJS

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