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JavaScript Alert - Every Web Master Running JavaScript Should Know This
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David Malia
July 05, 2006
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| David Malia |
David Malia is a 20 year computer veteran with a fascination in web
page usability offering web page design, graphic design, and web
application programming. "Web pages designed for the real web - not the
ideal web, because that's where your customers are." http://RationalWebDesign.com
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| David Malia
has written 1 articles for JavaScriptSearch. |
| View all articles by David Malia... |
Every web master running JavaScript should be aware of the HTML level tag <![CDATA[&lt;NOSCRIPT&gt;&lt;/NOSCRIPT&gt;.]]>
Many web sites these days are running Javascript in order to have fancy
drop down menus. If the surfer has Javascript turned off, those menus
can disappear entirely, leaving the surfer with the belief that he has
stumbled upon an unfinished web site that only has a home page and no
other pages. A web site that has rich content and many pages may seem
to have only one page! I've seen it happen. The surfer will probably be
clueless as to what has occurred and will hit the back arrow on his
browser and will go elsewhere to obtain the information/product.The
authoritative w3schools.com web site reports an 11% rate of surfers
that are browsing with Javascript turned off in January 2005. Because
of virus scares, and the advice of companies like Microsoft, that rate
is increasing. If most of your web site 'disappears' for 11% of the
browsers that load your home page, doesn't that translate into a rough
loss of 11% of your business sales? Fortunately there are some very simple things you can do to remedy the situation. The HTML level tag <![CDATA[ &lt;NOSCRIPT&gt;&lt;/NOSCRIPT&gt;]]>
is activated when a browser with Javascript turned off visits the page.
Whatever HTML code you put between those tags will appear when
Javascript is turned off and will show nothing when it is turned on.In
the case of Javascript drop down menus, the simplest fix you can do is
to go to the place in your HTML source code where the Javascript drop
down menus would display and add this code: <![CDATA[&lt;NOSCRIPT&gt;]]>Javascript
is turned off in your browser. You need Javascript turned on in your
browser to use the menu systems of this web site.<![CDATA[&lt;/NOSCRIPT&gt;]]>If
Javascript is turned off, that code would show a message in red warning
the user that turning on Javascript is necessary, and optionally might
link to a page explaining how to do that on different browsers. Small
fix to potentially increase sales by 11%! |
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