Sams Teach Yourself JavaScript in 24 Hours

Quiz Questions

Test your knowledge of JavaScript by answering the following questions:

1.	Which of the following is not a valid JavaScript variable name? 2names first_and_last_names FirstAndLast
2.	If the statement var fig=2 appears in a function, which type of variable does it declare? A global variable A local variable A constant variable
3.	If the string test contains the value The eagle has landed., what would be the value of test.length? 4 21 The
4.	Using the same example string, which of these statements would return the word eagle? test.substring(4,9) test.substring(5,9) test.substring("eagle")
5.	What will be the result of the JavaScript expression 31 + "angry polar bears"? An error message 32 "31 angry polar bears"