Chapter 1 - intro to javascript Flashcards
Although JavaScript is considered a programming language, it is also a critical part of web page design and authoring
True
Like HTML, XHTML is not case sensitive.
False
You can place script elements in either the document head or in the document body
True
JavaScript code is always stored in an external file separate from the HTML or XHTML code for a web document
False
Elements that do not require a closing tag are called empty elements
True
_____ can turn static documents into applications such as games or calculators
JavaScript
______ was established in 1994 at MIT to oversee the development of web technology standards
The W3C
An HTML document is a text document that contains codes called _____
Tags
In the client/server system, one of the primary roles of the client, or front end, is to _____
Present an interface to the user
A system consisting of a client and server is known as a ____ system
Two-tier
On client/server systems, heavy processing, such as calculations, usually takes place in the ____
Server
A three tier, or multi tier, client/server system consists of three distinct pieces : These are _____
The client tier
The processing tier
The data storage tier
Some of the more popular server-side-scripting languages include_____
PHP
ASP.NET
PYTHON
_____ refers to programming using a scripting language that is executed from a web server
Server-side scripting
When a client requests a server side script , a client will never see the server side script only the ____ that the web server software returns from the script
HTML
An object is ___ that can be treated as an individual unit or component
Programming code and data
The procedures associated with an object are called _____
Methods
___ are lines of code that are not processed by browsers , which you use to add notes about your code
Comments
A ___ comment occupies only a single line or part of a line
Line
A ___ comment hides multiple lines of code
Block
Which keyword do you use to create a variable?
var
Variables and literals contained in an expression are known as _____
Operands
Symbols such as + and * used in expressions to manipulate operands are known as ____
Operators
Which method do you use to reference an element on a web page in a script?
getElementById()
Which method displays a dialog box with an okay button?
alert()
Special words that are part of the JavaScript language syntax and that can’t be used as a variable names are known as ____
Reserved words
A document on the web is called a web page and is identified by a unique address called the _____
URL
When you assign a value to a variable, you ur an equal sign, which is also called an ______ operator
Assignment
When an event occurs, your script executed any code that responds to that specific event on that specific element. This code is known as the ____
Event handler
JavaScript source filed that store especially useful generic scripts used on many different website are known as ____
Libraries
A ___ is a specific circumstance that is monitored by JavaScript and that your script can respond to in some way
Event
