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Javascript for dummies. Quick Reference - Vander

Vander Javascript for dummies. Quick Reference - Wiley Publishing, 2002. - 115 p.
Download (direct link): javascriptquickreference2002.pdf
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source file: A human-readable computer language file that must be either compiled or interpreted in order to run on a computer. JavaScript scripts are embedded into HTML source files and are then interpreted by the HTML interpreter that’s integrated into every JavaScript-enabled Web browser. See interpreter.
state: The content of an object at any point in time is referred to as the object’s state.
string: A string is a collection of characters treated as an entity, usually surrounded by either single or double quotes. The String object is built-in to JavaScript and contains such methods as bold() and bl ink().
substring: A substring is some portion of a string.
syntax: Syntax refers to the rules of punctuation and word order of a language. JavaScript, because it’s considered a language (a scripting language), has its own syntax that must be followed precisely in order to create working JavaScript scripts.
tag: In HTML, a tag is a keyword (like <TITLE>, </TITLE>, <B0DY>, and </ B0DY>) that tells the HTML interpreter how to interpret and handle a piece of text. HTML is sometimes referred to as a tag language.
template: A template is a skeleton file that contains basic information, as well as placeholders for customized information. Many programmers use templates as the basis of their source files (including HTML source files) so that they don’t have to keep typing in the boring, essential statements common to every source file.
this: When encountered within a form element, this refers to the specific instance of that form element. It’s a kind of shorthand that you can use to avoid typing a very long form element name over and over.
transaction: A transaction is an instance of communication between a calling program and a called program. A transaction begins when communication initiates and ends when the communication ceases. A transaction is sort of like a conversation between two computer programs.
URL: A Uniform Resource Locator is a path name for objects on the Web. For example, http : //www. i dgbooks . com is a URL.
Web: An abbreviation for the World Wide Web, the Web is a huge conglomeration of text, image, audio, video, and heaven-knows-what-other-kinds-of-media, organized into Web pages that are scattered all across the planet on multitudes of Web servers. The Web is more than just data, though; it’s also the connections between the data as well as the software that lets users access the data.
Web client: A Web client is a computer, typically a personal computer running the Macintosh or Windows operating systems. A Web client has a Web browser installed and running (like Netscape Navigator or Internet Explorer).
Web page: A Web page, sometimes referred to as a Web application, is a file written in HTML (and possibly HTML extensions, like JavaScript) that may display text, sound, graphics, movies, and interactive forms to any user who accesses the Web page.
Web server: A Web server is computer, typically running UNIX. A Web server has something called httpd (HyperText Transfer Protocol Daemon) installed and running on the server. Web servers store Web pages and CGI programs, which are accessed and used by Web clients.
Web site: A Web site is a collection of linked Web pages, produced by the same individual or company.
wizard: A wizard is a software utility that greatly speeds the completion of a task. A wizard questions a user and then automatically does something based on the user’s answers. An example of a wizard is the Netscape Powerstart Setup page, which lets you choose content and layout for your very own customized home page and then constructs the page for you.
WYSIWYG: What You See Is What You Get (pronounced “wizzie-wig”).
WYSIWYG HTML editors, such as Microsoft Internet Assistant, are Web page editors that let you drag and drop text to create HTML files instead of having to type in the HTML tags yourself.
Index
A_______________________________________
<A> tag, 19-21
abs( ) method, 92
accessing variables, 53
acos() method, 93
ACTION attribute of <FORM> tag, 34
action property, 126
ActiveX component, 15-16, 166-167
addition (+)
JavaScript mathematical operator, 49 JavaScript string operator, 52 addition (+=), JavaScript assignment operator, 47 Adobe Acrobat plug-in, 33 alert() method, 93, 181-182 algorithm, 197
aliases, associated with objects, 39 ALIGN attribute, value for, 30 ALINK (activated link) color, 164 alinkColor property, 126 alphabetic order, 117 ampersand (&), in search values, 142 anchor( ) method, 93 anchors defining, 93
defining with HTML, 19-20 described, 56 in hypertext links, 187, 188 JavaScript syntax, 38 length property, 135-136 names for, 132 and (&&), JavaScript logical operator, 49, 50
animated multicolored bubbles, 30-31 animation files, 165 appCodeName property, 127 append (+=), JavaScript string operator, 52
<APPLET> tag, 29-31 applets described, 57, 197 embedding in Web pages, 29-31 JavaScript syntax, 38 name property, 138 names of, 168 playing animation, 165 in Web pages, 167-168 applets property, 127 appName property, 127 appVersion property, 127
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