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Friday, April 27, 2012

HTML Advanced tutorial 23 : HTML Entities

Some characters are reserved in HTML. It is not possible to use the less than (<) or greater than (>) signs in your text, because the browser will mix them with tags. To actually display reserved characters, we must use character entities in the HTML source code. A character entity may looks like this.
&entity_name;
OR
&#entity_number;
To display a less than sign we must write: &lt; or &#60; The advantage of using an entity name, instead of a number, is that the name is easier to remember. However, the disadvantage is that browsers may not support all entity names (the support for entity numbers is very good).

Non-breaking Space
A common character entity used in HTML is the non-breaking space (&nbsp;). Browsers will always truncate spaces in HTML pages. If you write 10 spaces in your text, the browser will remove 9 of them, before displaying the page. To add spaces to your text, you can use the &nbsp; character entity.

HTML Useful Character Entities

Entity names are case sensitive. Following is list of entity names with their description.

Result Description Entity Name Entity Number
non-breaking space &nbsp; &#160;
< less than &lt; &#60;
> greater than &gt; &#62;
& ampersand &amp; &#38;
¢ cent &cent; &#162;
£ pound &pound; &#163;
¥ yen &yen; &#165;
euro &euro; &#8364;
§ section &sect; &#167;
© copyright &copy; &#169;
® registered trademark &reg; &#174;
trademark &trade; &#8482;

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