W3Schools 在线编辑工具（TIY） V3.0
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<html> <head> <style type="text/css"> #typing { behavior:url("/example/csse/behave_typing.htc"); font-family:'courier new'; } </style> </head> <body> <span id="typing" speed="100">IE5 introduced DHTML behaviors. Behaviors are a way to add DHTML functionality to HTML elements with the ease of CSS.<br /><br /> How does behaviors work?<br />By using XML we can link behaviors to any element in a web page and manipulate that element.</p> </span> </body> </html>