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Functions: check-ins
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functions.md

Functions

Check-ins 1

  • What is a function? Give an example of a daily task which could be abstracted into a function.
  • In your console, create a named function and an anonymous function.
  • Create a function called myFunctionName. What does myFunctionName return? What does myFunctionName() return?
  • What does a function return by default?
  • Create a function which returns "You are the world's greatest" when invoked.

Check-ins 2

  • What part is the function signature of the following function: function calculateChanges(oldValue, newValue) { };?
  • Given the function: function makeACake(ingredients, servings, isPerishable)
    • If I invoke the function like this makeACake(45, 12, 98), what will be the value of ingredients, servings, and isPerishable in the function body?
    • What about this: makeACake("sugar, egg, flower", 12)?
    • What about this: makeACake(true, 3)?
  • Create a function with one parameter. How would you access the argument within the function without using the parameter name?
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