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Learn JavaScript Basics III

Knowledge Check

Given the following array and function:

  numbers = [0, 1, 2, 3, 4, 5]

Which of the following is NOT an example of using a callback to filter the odd numbers?

  function isOddNumber(number) {
    return number % 2;
  }
  numbers.filter(isOddNumber)

  function isOddNumber(number) {
    return number % 2;
  }
  numbers.filter(isOddNumber())

  numbers.filter(function(number) {
    return number % 2;
  })

JavaScript Callbacks

👀 1 Thing to Focus On

JavaScript Promises

👀 1 Thing to Focus On

Chaining Promises

👀 1 Thing to Focus On

Error Handling Promises

👀 1 Thing to Focus On