gecko-dev/layout/html/tests/attributes/br-standard.html

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HTML

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
<html lang="en">
<head>
<title>BR Test</title>
<style type="text/css">
img.left { float: left; }
img.right { float: right; height: 4em; }
</style>
</head>
<body>
<p>
<img src="resource:/res/samples/raptor.jpg" class="left">
<img src="resource:/res/samples/raptor.jpg" class="right">
This text should appear between a left justified and right
justified image of a raptor. <br clear="all"> Resize the window
such that this paragraph is located between the two images. Then
use the form below to change the "clear" attribute of the BR tag
that adds a line break between this para and the previous one.
Clearing to left should position this para below the big raptor.
Clearing to the right or clearing all should position this para
below the smaller raptor image.
</p>
<form action="">
<p>
Set <code>clear</code> to
<select size="1" name="clear">
<option value="none">None</option>
<option value="left">Left</option>
<option value="right">Right</option>
<option selected="selected" value="all">All</option>
</select>
<input type="button" value="Change Clear" onclick="changeClear(); return true;">
</p>
</form>
<script type="application/x-javascript">
var br = document.getElementsByTagName("br")[0];
function changeClear() {
if (document.forms[0].clear.selectedIndex == 0)
br.clear = "none";
else if (document.forms[0].clear.selectedIndex == 1)
br.clear = "left";
else if (document.forms[0].clear.selectedIndex == 2)
br.clear = "right";
else
br.clear = "all";
}
</script>
</body>
</html>