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Exercise 6

  • Create the following folder/file structure:
/ex_6
  |-- index.js
  • Init an NPM project inside the ex_6 folder
  • Use ex_6 as project name
  • Add a start script to run the index.js file

index.js​

  • Define a greet function using Arrow Function syntax
  • This functions accepts 2 parameter
  • First parameter is a string that represents a person first name
  • Second parameter is a string that represents a person last name
  • This functions shows the following message when it's called
Hi %firstname% %lastname%
  • Call the function and pass your first and last name as parameters

Extra​

  • Add a third parameter to the greet function
  • This parameter is a function that we'll use as callback
  • This callback will get executed after greeting the person
  • This callback function will show the following output:
This code gets executed after the greet function call
  • Run the script again to see the new feature