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Editorial Team
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Asked: 2026-05-14T19:22:15+00:00

<span class=drop /> Can HTML spans be closed like this?

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<span class="drop" />

Can HTML spans be closed like this?

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1 Answer

  1. Editorial Team

    Whether or not this is valid depends on your doctype, basically whether or not you’re using XHTML or HTML.

    When using XHTML, all major browsers will support self closing tags like the example you provided. Take the following example, this is valid because I’m specifying the page is using XHTML (in other words, HTML that is valid XML).

    Update: Based on the very good comments below, browsers will only interpret all self closing tags correctly if the mime type is text/xml or application/xhtml+xml, see here for the details. For pages served as text/html (the vast majority), see here here for the tags that can be self closing.

    This example will validate:

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
</head>
<body>
    <h2>Will test page</h2>
    <p>some stuff <span class="drop" /></p>
</body>
</html>

    However, this example is not valid, because I’ve switched the doctype to HTML:

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
</head>
<body>
    <h2>Will test page</h2>
    <p>some stuff <span class="drop" /></p>
</body>
</html>

    A few helpful references:

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