Learning PHP, MySQL, JavaScript, and CSS, 2nd Edition

Test Your Knowledge

1. Are JavaScript functions and variable names case-sensitive or case-insensitive?

2. How can you write a function that accepts and processes an unlimited number of parameters?

3. Name a way to return multiple values from a function.

4. When defining a class, what keyword is used to refer to the current object?

5. Do all the methods of a class have to be defined within the class definition?

6. What keyword is used to create an object?

7. How can a property or method be made available to all objects in a class without replicating the property or method within the object?

8. How can you create a multidimensional array?

9. What syntax is used to create an associative array?

10. Write a statement to sort an array of numbers in descending numerical order.

See Chapter 15 Answers in Appendix A for the answers to these questions.