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Object

This tag allow us to insert some code from external resources such as flash, audio, video, Java apps... It can also be used instead of iframe, when inserting another website as a part of the one which is being executed. In order to complement this tag, the param tag can also be used to transfer information to the application on the website.

Important attributes

Type. It defines the content which is going to be loaded with the object tag. In this example: 

application/x­shockwave­flash.data, it defines the place where this resource is allocated.
width and height. Dimensions of the area which will be containing the external application

New attributes:
form. It defines the form or forms to which this object tag is linked to

<object width="300" height="220" data="http://flv-player.net/medias/player_flv.swf" type="application/x-shockwave-flash"> <param name="data" value="http://flv-player.net/medias/player_flv.swf" /> <param name="allowFullScreen" value="true" /> <param name="FlashVars" value="flv=videoflv.valor" /> <param name="src" value="http://flv-player.net/medias/player_flv.swf" /> </object>

ol

With this tag we can define structured lists to be shown as enumerated schemes.

Important attributes:

Type: It holds the following values: 1, A, a, I, i. This attribute allows to define the notation that will be used to define one specific list.

Start. It defines the initial value which will be first on the list

Option

This is the tag being used in combos select to define the different options on the list. In HTML5, it is also used in the tag datalist.
Important attributes: label, selected, value

Output

Through this tag, we can show any operation executed by a script, such as currency conversions, a mathematical equation or a measure units conversion.

Important attributes:

For. It establishes the existing relationship between the different parts executing the calculation and the result given back by them.

Name. Containing the name of the output tag.