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HTML for TCO Acronym

when TCO means Total Cost of Ownership

New! Now updated with the inheritance rules for the title attribute in HTML 5

The easiest way to create HTML code indicating that the acronym TCO stands for Total Cost of Ownership is to simply include the acronym in an HTML <a> tag and an abbreviation tag (not an acronym tag):

<a href="http://www.Acronyms.net/terms/t/Total-Cost-of-Ownership/" title="Total Cost of Ownership"
onclick="if (confirm('TCO stands for Total Cost of Ownership')) return false;"
>
<abbr>TCO</abbr>
</a>

This is the recommended code for both HTML 4 browsers and HTML 5 browsers. Some browsers, most notably IE, do not activate help when the title attribute is coded on the <abbr> tag, but they do work as expected for titles on the <a> tag. The <abbr> tag inherits its title attribute from the parent <a> tag.

If you are creating HTML code for the definition of Total Cost of Ownership, the meaning of the acronym TCO, then include a <dfn> definition tag around the <abbr> abbreviation tag and follow the entire HTML code for the hypertext link with the definition of the term:

<p>A <a href="http://www.Acronyms.net/terms/t/Total-Cost-of-Ownership/" title="Total Cost of Ownership"
onclick="if (confirm('TCO stands for Total Cost of Ownership')) return false;"
>
<dfn><abbr title="Total Cost of Ownership">TCO</abbr>
</a> is ...(definition of Total Cost of Ownership)....</p>

The <dfn> tag gets the term being defined from the title attribute of the <abbr> tag. The result should look like this (hovering your mouse over the TCO acronym shows the expanded meaning of the acronym):

A TCO is ...(definition of "Total Cost of Ownership")....

If you are creating HTML code that simply expands the acronym then indicate that it is the TCO acronymn which is being defined using an HTML <dfn> tag with a title attribute around the <abbr> tag and follow the HTML for the hypertext link with the acronym definition:

<p>When we use the acronym <a href="http://www.Acronyms.net/terms/t/Total-Cost-of-Ownership/" title="Total Cost of Ownership"
onclick="if (confirm('TCO stands for Total Cost of Ownership')) return false;"
>
<dfn title="TCO"><abbr title="Total Cost of Ownership">TCO</abbr></dfn>
</a> it is the abbreviation for Total Cost of Ownership.</p>

The result should look like this (hovering your mouse over the TCO acronym shows the definition):

When we use the acronym TCO it is the abbreviation for Total Cost of Ownership.

Acronym Vocabulary URI Declaration

For the remaining examples, the Acronym Vocabulary namespace URI needs to be declared for use with element tag names and attribute values. For an HTML web page, the beginning of the file should look like this:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html [
<!ENTITY at "http://Acronyms.net/terms/">
<!ENTITY av "http://Acronyms.net/vocabulary/">
]>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:av="&av;">
<head>
<style type="text/css">
.hide { display: none }
</style>
...

This only needs to be done once per document file.

XLink simple link

First, declare the vocabulary as shown above. Then, add acronyms as follows:

<a href="http://www.Acronyms.net/terms/t/Total-Cost-of-Ownership/" title="Total Cost of Ownership"
xlink:type="simple"
xlink:href="http://www.Acronyms.net/terms/t/Total-Cost-of-Ownership/"
xlink:arcrole="&av;definedAt"
xlink:role="&av;definition"
xlink:title="Total Cost of Ownership"
xlink:show="new"
xlink:actuate="onRequest"
>
<abbr
xlink:type="simple"
xlink:href="&at;Total-Cost-of-Ownership"
xlink:arcrole="&av;standsFor"
xlink:role="&av;term"
xlink:title="TCO - Total Cost of Ownership"
xlink:show="new"
xlink:actuate="onRequest"
>TCO</abbr></dfn>
</a>

XLink extended link

First, declare the vocabulary as shown above. Then, add acronyms as follows:

<a xlink:type="extended" href="http://www.Acronyms.net/terms/t/Total-Cost-of-Ownership/" title="Total Cost of Ownership">
<abbr xlink:type="resource" xlink:label="acronym">TCO</abbr>
<span class="hide" xlink:type="resource" xlink:label="verbal" xlink:title="pronunciation">t c o</span>
<span class="hide" xlink:type="resource" xlink:label="expand" xlink:title="expansion">Total Cost of Ownership</span>
<span class="hide" xlink:type="locator" xlink:label="term" xlink:role="&av;term" xlink:href="&at;Total-Cost-of-Ownership" xlink:title="Total Cost of Ownership"/>
<span class="hide" xlink:type="locator" xlink:label="definition" xlink:role="&av;definition" xlink:href="http://www.Acronyms.net/terms/t/Total-Cost-of-Ownership/" xlink:title="Total Cost of Ownership"/>
<span class="hide" xlink:type="locator" xlink:label="finder" xlink:role="&av;reference" xlink:href="http://www.Acronyms.net/reference/t/TCO#Total-Cost-of-Ownership" xlink:title="TCO - Total Cost of Ownership"/>
<span class="hide" xlink:type="arc" xlink:from="acronym" xlink:arcrole="&av;pronounceAs" xlink:to="verbal" xlink:actuate="onLoad"/>
<span class="hide" xlink:type="arc" xlink:from="acronym" xlink:arcrole="&av;expandsTo" xlink:to="expand"/>
<span class="hide" xlink:type="arc" xlink:from="acronym" xlink:arcrole="&av;standsFor" xlink:to="term"/>
<span class="hide" xlink:type="arc" xlink:from="term" xlink:arcrole="&av;definedAt" xlink:to="definition" xlink:show="new" xlink:actuate="onRequest"/>
<span class="hide" xlink:type="arc" xlink:from="acronym" xlink:arcrole="&av;foundAt" xlink:to="finder" xlink:show="new" xlink:actuate="onRequest"/>
</a>

embedded RDF metadata

First, declare the vocabulary as shown above. Then, add acronyms as follows:

<a href="http://www.Acronyms.net/terms/t/Total-Cost-of-Ownership/" title="Total Cost of Ownership">
<abbr>TCO</abbr>
</a>

Printer-friendly PDF* format:

Total Cost of Ownership

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