Using promises to catch errors

return functionA()
  .then(functionB)
  .then(functionC)
  .then(functionD)
  .catch((err) => logger.error(err))
  .then(alwaysExecuteThisFunction)

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Clone Objects in JavaScript

3 Ways to Clone Objects in JavaScript

The JSON.parse() method parses a JSON string, constructing the JavaScript value or object described by the string

How to Await in a for loop

Using the spread operator during an Object declaration will assign the properties of the referenced Object to the new Object.