August 2001
Intermediate to advanced
540 pages
18h 24m
English
Content preview from Malicious Mobile Code
Become 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,
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.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.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.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.
Browser Technologies
Although Microsoft’s Internet Explorer, as shown in Figure 8-1, dominates the Windows market, there are still dozens of browsers to choose from. Because the World Wide Web is based on open standards, most browsers work in similar ways and use the same technologies. The examples and lessons in the next few chapters refer to Internet Explorer, but can be applied to many existing browser programs.
Figure 8-1. Microsoft Internet Explorer 5.5
What Is a Browser?
A
browser is a software application that requests
web pages and information from a Hypertext Transfer
Protocol (HTTP) server and interprets and displays the
results. The information sent back from a web server contains display
codes (called
tags
),
pictures, graphics, scripting codes, hypertext links, audio files,
and all the other supported forms of web content.
Browsers work by requesting information from a web server, often
initiated by the user typing in the web site’s address. A
TCP/IP connection to the host is made over port number 80, which is
assigned to the HTTP protocol (although any port number can be used
if previously agreed upon). The web server accepts the connection.
The client browser sends a GET
request,
which initiates the server to send back information. The response includes a stream of ASCII characters following the HTML formatting conventions and any binary components. After the response ...
Become 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,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.