Chapter No. 1 Web Publishing
Cross Browser Testing
Introduction
With wide range of
web browsers available, end users using different web browsers to access your
web site/applications, it has now become crucial to test web site/applications
on multiple browsers. On different browsers, client components like HTML,
JavaScript, AJAX requests, Applets, Flash, etc. may behave differently.
Testing your
website on different browsers is knows as Cross Browser Testing.
Cross Browser Testing
is a process to test web applications across multiple browsers.
It involves checking
compatibility of your application across multiple web browsers and ensures that
your web application works correctly across different web browsers.
It involves testing
both the client side and server side behavior of your Web application when it is
accessed using different Web Browsers.
It shows limitation of the
web site and functional features.
Some
Popular Browsers:
In every browser and
platform the website will look and work differently.
Every web browser comes
with variations and differences in the way a web page is displayed and works.
Examples:
1. <bgsound> tag
is
only supported by Internet Explorer and not by Netscape Navigator, Chrome,
Firefox, Opera, etc..
2. Broken image
- an
image in a web page whose path is not found or path is wrong or file name is given is wrong.
Internet Explorer shows broken images with a red color sign along with
alternative text. In Netscape Navigator, it shows 3 color dots with alternative
text.
3. <hr> tag Horizontal rule - The appearance is
different in browsers. In Internet Explorer it shows 3D effect, whereas in
Netscape Navigator it show rule (line) in regular manner.
4. bordercolorlight and bordercolordark -
attributes of <table> tag are supported in Internet Explorer but not supported
in Netscape Navigator.
5. bgproperties=fixed - This attribute used in
<body> tag makes background image water marked in Internet Explorer, but moves
with text in Netscape Navigator.
6. Outset Border - Outset border style given to
paragraph tag is shown in Internet Explorer and not in Netscape
navigator.
7. <blink> tag is not supported in Internet Explorer and other browsers
which blinks the text, but supported in Netscape Navigator.
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