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XHTML tut10
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44
Computer Science
Undergraduate 1
10/14/2009

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Term
JavaScript
Definition
A subset of the Java programming language
Term
Compiled Language
Definition
A programming language that must be translated (by a compiler) into a code that a computer can understand.
Term
Interpreted Language
Definition
A programming language in which the program code is converted into an executable application each time it is run.
Term
JScript
Definition
A version of JavaScript supported by Internet Explorer.
Term
European Computer Manufacturers Association (ECMA)
Definition
An international body that is responsible for the development of a scripting standard
Term
ECMAScript
Definition
A standardized version of javascript
Term
VBScript
Definition
A client-side programming language supported by internet explorer
Term
Object-oriented
Definition
the ability or manipulate objects
Term
Method
Definition
An action you perform on an object
Term
variable
Definition
a memory location whose contents or value can change any time during the running of a program
Term
Numeric Variable
Definition
A type of variable that represents a number
Term
String varaible
Definition
A type of variable that represents a group of text characters
Term
Boolean Variable
Definition
A type of variable that only accepts true or false answers
Term
Null Variable
Definition
A variable that has no value
Term
Declare
Definition
To create a variable
Term
Data Object
Definition
Data containing object information
Term
Expression
Definition
A javascript command that assigns values to variables
Term
Operator
Definition
An element that performs actions within expressions
Term
Arithmetic Operator
Definition
An operator that performs simple mathematical calculations
Term
Binary Operator
Definition
A mathematical operator that works on two elements in an expression
Term
Unary Operator
Definition
A mathematical operator that works on only one variable in an expression
Term
Increment Operator
Definition
A mathematical operator that can be used to increase the value of a variable by 1
Term
Assignment Operator
Definition
An operator that assigns a value
Term
Math Object
Definition
An object used for calculations
Term
function
Definition
A series of commands that performs an action or calculates a value
Term
Function Name
Definition
The name of a function
Term
Parameters
Definition
Values used by a function
Term
Command Block
Definition
A group of javascript commands set off by curly braces
Term
Call
Definition
To run a function in javascript
Term
Conditional Statement
Definition
A command that runs only when specific conditions are met
Term
Boolean Expression
Definition
An expression that can be evaluated to true or false
Term
Comparison Operator
Definition
An operator that compares one item to another
Term
Logical Operator
Definition
An operator that connects two or more boolean expressions
Term
Conditonal Operator
Definition
An operator that tests whether a condition is true, and returns values that you specify, depending on whether the condition is true or false
Term
Array
Definition
An ordered collection of values referenced by a single name
Term
Dense Array
Definition
A combination of statements that both create and populate an array
Term
Program Loop
Definition
A set of instructions that is executed repeatedly
Term
Counter
Definition
A programming feature that tracks the number of times a command block has been run.
Term
Load-Time Error
Definition
A programming error that occurs when a script is first loaded by the interpreter
Term
Run-time Error
Definition
A programming error that occurs after a script has been successfully loaded, and while it is being executed.
Term
Logical Error
Definition
A programming error that results in incorrect results
Term
Debug
Definition
Searching code to locate the source of errors.
Term
Modular Code
Definition
Code that is broken up into smaller chunks, each of which performs a specific task
Term
Microsoft Script Debugger/ Netscape Javascript Console
Definition
A program that finds errors in JavaScript
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