The __ value is returned when you use an object property that does not exist, or a variable that has been declared, but has never had a value assigned to it.
null
undefined
NaN
None of these
Which of the following is a JavaScript datatype?
Null
Object
Undefined
All of them
_____ tag is an extension to HTML that can enclose any number of JavaScript statements.
< SCRIPT >
< BODY >
< HEAD >
< TITLE >
What language defines the behavior of a web page?
HTML
CSS
XML
Java Script
Which operator can be used to performs a bitwise exclusive OR opration on two operands and assigns the result to the first operand?
&*
=^
^=
*&
What is the correct JavaScript syntax to write "Hello World"?
System.out.println("Hello World")
println ("Hello World")
document.write("Hello World")
response.write("Hello World")
When a user views a page containing a JavaScript program, which machine actually executes the script?
The User's machine running a Web browser
The Web server
A central machine deep within Netscape's corporate offices
Which is the correct order of precedence of Arithmetic operators?
+/*-
+-*/
*/+-
+*-/
________ keyword is used to declare variables in javascript.
Var
Dim
String
Using _______ statement is how you test for a specific condition.
Select
If
Switch
For
