Jacob Paris

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Understanding HTML's mysterious Void elements

HTML has several void elements. These cannot have any content, and cannot have separate closing tags.

<br>
<hr>
<img>
<input>
<link>
<meta>
<area>
<base>
<col>
<embed>
<param>
<source>
<track>

Closing a void element like this is invalid html.

<img alt></img>

Void elements can optionally be self-closing, so these are both correct and identical.

<img alt>
<img alt />

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