Bluebird Raw Crash Error

Question

I have the following code. And it works as expected without throwing an unhandled rejection error.

p = new Promise (fulfill, reject) ->
  reject new Error 'some error'

p.catch (error) ->
  console.log error

Now the second code example is causing a raw rejection error. Can someone explain to me why this happens when I am clearly dealing with the error.

p = new Promise (fulfill, reject) ->
  reject new Error 'some error'

p.then ->
  console.log 'ok'

p.catch (error) ->
  console.log error

Btw. I am testing chrome and bluebird v3.4.7.

Answer 1

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, ES6, -: Firefox , GC, Chrome ( ) .

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Answer 2

Promises, Promise.

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, 1: catch() promises, .

2: , , 2- , . catch(), , then(), , 1-

. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/catch , catch