01 Functions.md

Functions

Objectives

• Define what an abstractions is
• Explain why abstractions are useful
• Define what a function is and why they are useful
• Explain the syntax of functions
• Describe why functions are abstractions

Guiding Questions

• What are abstractions? With your table, create a definition of what an abstraction is. Also, describe one abstraction that you have worked with.

  Your answer...

• Why are abstraction useful? With your table, synthesize an explanation of why abstractions are useful. Add an example of when an abstraction helped you be more productive.

  Your answer...

• Define what a function is and why they are useful.

  Your answer...

• Explain the syntax of a function.

  Your answer...

• Why are functions abstractions?

  Your answer...

• Update the following code to use a function.

  var names = [ 'Erik', 'Sarah', 'Nancy', 'Matt' ]
  if (names.length > 0) {
    var selected = names.shift()
    console.log(selected)
  }
  if (names.length > 0) {
    var selected = names.shift()
    console.log(selected)
  }
  if (names.length > 0) {
    var selected = names.shift()
    console.log(selected)
  }

  Your answer...