August 2001
Intermediate to advanced
540 pages
18h 24m
English
Content preview from Malicious Mobile CodeBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Web Languages
The World Wide Web runs HTML, scripting languages, and object files (such as audio, video, graphics). Most of the coding is located on the web server and downloaded as needed. Scripting languages can run either on the web server (like CGI or ASP) or within the confines of the browser (like JavaScript). This section will focus on web languages that download and operate within the browser (client-side).
HTML
Web site documents
are made up of ordinary text files conforming to the
Hypertext Markup Language
(HTML) standard. HTML is
a subset of the larger Standardized General Markup Language
(SGML) document specification in use long before HTML. A
simple HTML file contains four components:
Text
Tags
Links
Other nontextual content
The text is the plain ASCII text you see displayed in your browser,
or it can be used inside of tags as undisplayed code. Tags are
contained within angled brackets <>, and are used to mark
actions and format portions of the text. Often formatting tags come
in sets of two: one to turn on a particular attribute and one to turn
off the attribute. For example, <B>Malicious Mobile
Code</B> in a web document would display the text,
Malicious Mobile Code in a bolded
format. Most HTML pages will contain a fair share of formatting tags
to display even the simplest of text statements. Example 8-1 shows an example of HTML source code for a
very simple web page.
Example 8-1. Example of a small HTML document
<HTML> <HEAD> <TITLE>Tiny HTML document</TITLE> </HEAD> ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.