<!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> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>210页阶段三</title> </head> <body> <script type="text/javascript"> function Calc(){ document.formA.txtIncomeTax.value = (parseFloat(document.formA.txtEarning.value) - parseFloat(document.formA.txtStartMoney.value)) * 0.1; } </script> <form name = "formA" method = "post" action = ""> <table border = "1"> <tr> <td colspan = "2"><center>个人所得税计算器</center></td> </tr> <tr> <td>请输入你的月收入:</td> <td><input type="text" name="txtEarning" /> 元</td> </tr> <tr> <td>请输入所得税起征额:</td> <td><input name="txtStartMoney" /> 元</td> </tr> <tr> <td>所得税:</td> <td><input name="txtIncomeTax" type="text" /> 元</td> </tr> <tr> <td colspan="2"><center><input name="btnCalc" type="button" value="计算" onclick="Calc()" /> <input name="btnAnew" type="reset" value="重填" /></center></td> </tr> </table> </form> </body> </html>