Exam 10: Programming with JavaScript

Any variables not declared within functions have local scope._________________________

A(n)____________________ has variables that are not strictly tied to specific data types.

JavaScript commands can be inserted directly into an HTML file rather than being placed in a separate program file.

Which of the following commands can be used in a function?

JavaScript supports how many data types?

Which of the following does not have features to scramble or unscramble e-mail addresses?

____ are useful because they can store information created in one part of your program and use that information in another.

____-side programs do not require users to wait for data to be sent over the Internet to a Web server.

What is Internet Explorer's scripting language called?

You can declare multiple variables by entering the variable names in a comma-separated list._________________________

____________________ variables are variables that accept one of two values,either true or false.

____ is essentially junk e-mail.

A(n)____________________ approach to scripting poses problems for the system administrator,who has to be concerned about users potentially overloading the system.

In XHTML,the language attribute is used to indicate the script language in the <script> tag._________________________

.The ____ symbol can be used to combine text strings.

____ is an interpreted language,meaning that the program code is executed directly without compiling.

Parameter values cannot be variables themselves.

Case 10-2 Terrance had added a form to his blog to allow people to e-mail him feedback. He is having trouble getting his pages to validate and his JavaScript to work. -The errors Terrance only finds when his JavaScript executes are called ____ errors.

What is the use of functions? Write the general syntax of a JavaScript function.

____ can be used to look for e-mail addresses by scanning Web pages.