51help TIY
码：
<html> <head> <script type="text/javascript"> function setTextDecoration() { document.getElementById("p1").style.textDecoration="overline"; } </script> </head> <body> <p id="p1">This is an example paragraph.</p> <input type="button" onclick="setTextDecoration()" value="Set text-decoration" /> </body> </html>
查看结果: