Find the siblings that precede <dt id="term-2"> up to the preceding <dt> and give them a red background color.

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<!DOCTYPE html> <html> <head> <script src="http://code.jquery.com/jquery-1.5.js" type="text/javascript"></script> <script type="text/javascript" language="javascript"> $(document).ready(function(){ $("#term-2").prevUntil("dt").css("background-color", "red"); }); </script> </head> <body> <dl> <dt>term 1</dt> <dd>definition 1-a</dd> <dd>definition 1-b</dd> <dd>definition 1-c</dd> <dd>definition 1-d</dd> <dt id="term-2">term 2</dt> <dd>definition 2-a</dd> <dd>definition 2-b</dd> <dd>definition 2-c</dd> <dt>term 3</dt> <dd>definition 3-a</dd> <dd>definition 3-b</dd> </dl> <script> $("#term-2").prevUntil("dt") .css("background-color", "red") </script> </body> </html>
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