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JavaScript Programming Fundamentals

Review Questions

  1. Why is it a good idea to comment your code?
  2. What do methods do?
  3. What is an event handler?
  4. How does JavaScript separate things liks objects, properties and methods?
  5. What does the alert() method do?
  6. How can you tell the browser to ignore a character in JavaScript?
  7. What is the difference between declaring a variable and assigning it a value?
  8. What can variables contain?
  9. How can you turn an existing variable into a string?
  10. What does the JavaScript prompt() method allow you to do?
  11. What does indexOf() do?
  12. What does substring() do?
  13. How can you increment a variable by one?
  14. What do comparison operators do?
  15. What part of an expression will JavaScript give precedence to?
  16. When will the part of the conditional inside the curly braces be run?
  17. What does the parseInt() global function do?
  18. What do the built in parameters of the for loop do?
  19. What is the confirm() method used for?
  20. How are functions useful when programming JavaScript?
  21. What are function parameters?
  22. What is a local variable?
  23. What is an array?
  24. How can arrays be used with for loops?
  25. What are built in arrays?

To help you determine if you are on the right track, the answers to the Review and Bonus questions have been provided. Do all the work on the questions page before you take a look at the answers.

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