一年多前一个夜里写的, 后来花时间做了些注释.
可以计算出个人所得税(月收入);根据所得税推算个人所得;计算24点的小游戏. 3部分都包含在一个页面里面,纯html+javascript.
其中个人所得税(月收入)借荐了某人的, 后面两个绝对原创
<html>
<head><script Language="JavaScript">...<!--
function FrontPage_Form_Validator(theForm)
...{ var checkOK = "0123456789."; var checkStr = theForm.money.value; var allValid = true; var decPoints = 0; if (checkStr.charAt(0)==".") allValid = false; for (i = 0; i < checkStr.length; i++) ...{ ch = checkStr.charAt(i); for (j = 0; j < checkOK.length; j++) if (ch == checkOK.charAt(j)) break; if (j == checkOK.length) ...{ allValid = false; break;
} if (ch == ".") decPoints += 1; } if ((!allValid) || decPoints>=2) ...{ alert("月收入/缴纳:非数值"); return (false); } var checkOK = "0123456789"; var checkStr = theForm.KCmoney.value; var allValid = true; var decPoints = 0; var allNum = ""; for (i = 0; i < checkStr.length; i++) ...{ ch = checkStr.charAt(i); for (j = 0; j < checkOK.length; j++) if (ch == checkOK.charAt(j)) break; if (j == checkOK.length) ...{ allValid = false; break; } if (ch != ",") allNum += ch; } if (!allValid) ...{ alert("起征额非整数"); return (false); } if (theForm.type.value == "个人所得税计算器") ...{ var basicm,totalmoney,cha,output; totalmoney=document.form1.money.value; basicm=document.form1.KCmoney.value; cha=totalmoney-basicm; if (cha<=0) ...{output=0;} if (cha>0&&cha<=500) ...{output=cha*0.05;} if (cha>500&&cha<=2000) ...{output=cha*0.1-25;} if (cha>2000&&cha<=5000) ...{output=cha*0.15-125;} if (cha>5000&&cha<=20000) ...{output=cha*0.2-375;} if (cha>20000&&cha<=40000) ...{output=cha*0.25-1375;} if (cha>40000&&cha<=60000) ...{output=cha*0.30-3375;} if (cha>60000&&cha<=80000) ...{output=cha*0.35-6375;} if (cha>80000&&cha<=100000) ...{output=cha*0.4-10375;} if (cha>100000&&cha>100000) ...{output=cha*0.45-15375;} alert("应该缴纳="+output+"元"+" "+" "+":)"); return (false); } if (theForm.type.value == "个人所得税反算计算器") ...{ var basicm,tex,output,cha; tex=document.form2.money.value; basicm=document.form2.KCmoney.value; cha=tex-0; if (cha<=0) ...{output=0;} if (cha>0&&cha<=25) ...{output=cha/0.05;} if (cha>25&&cha<=175) ...{output=(cha+25)/0.1;} if (cha>175&&cha<=625) ...{output=(cha+125)/0.15;} if (cha>625&&cha<=3625) ...{output=(cha+375)/0.2;} if (cha>3625&&cha<=8625) ...{output=(cha+1375)/0.25;} if (cha>8625&&cha<=15625) ...{output=(cha+3375)/0.3;} if (cha>15625&&cha<=21625) ...{output=(cha+6375)/0.35;} if (cha>21625&&cha<=29625) ...{output=(cha+10375)/0.4;} if (cha>29625&&cha>29625) ...{output=(cha+15375)/0.45;} output=output+(basicm-0); alert("本月收入="+output+"元"+" "+" "+":)"); return (false); }}function FrontPage_Form_To24(theForm) ...{ var calculatetype = "ABCDEF"; var checkStr1 = theForm.int1.value; var checkStr2 = theForm.int2.value; var checkStr3 = theForm.int3.value; var checkStr4 = theForm.int4.value; if (CheckErr(checkStr1)) ...{ alert("请重新输入第一个数值"); return (false); } if (CheckErr(checkStr2)) ...{ alert("请重新输入第二个数值"); return (false); } if (CheckErr(checkStr3)) ...{ alert("请重新输入第三个数值"); return (false); } if (CheckErr(checkStr4)) ...{ alert("请重新输入第四个数值"); return (false); } for (chl = 1; chl <= 4; chl++) //060320 Update by Jackie:整理函数的注释 ...{ for (chm = 1; chm <= 3; chm++) ...{ checkStr = checkStr1+checkStr2+checkStr3+checkStr4;//假设成"1234" int1=checkStr.charAt(chl-1); checkStr=checkStr.substr(0,chl-1)+checkStr.substr(chl,4-chl);//此时checkStr为3位,last:checkStr="123" int2=checkStr.charAt(chm-1); checkStr=checkStr.substr(0,chm-1)+checkStr.substr(chm,3-chm);//此时checkStr为2位,last:checkStr="12" int3=checkStr.charAt(0); int4=checkStr.charAt(1); //通过两个FOR循环,实现int1~int4能取到字串"1234"的任意组合(计12种) //12种组合分别为(按照int1+int2+int3+int4得顺序): 1234,1324,1423, 2134,2314,2413, 3124,3214,3412, 4123,4213,4312 for (l = 0; l < calculatetype.length; l++)//验证其中1个组合是否能算出24点? ...{ tmp1 = cal(int1,int2,calculatetype.charAt(l)) strtmp1 = show(int1,int2,calculatetype.charAt(l)) for (m = 0; m < calculatetype.length; m++) ...{ tmp2 = cal(tmp1,int3,calculatetype.charAt(m)) strtmp2 = show(strtmp1,int3,calculatetype.charAt(m)) for (n = 0; n < calculatetype.length; n++) ...{ tmp3 = cal(tmp2,int4,calculatetype.charAt(n)) strtmp3 = show(strtmp2,int4,calculatetype.charAt(n)) if ((tmp3-24<0.001) && (tmp3-24>-0.001)) ...{ alert("24="+strtmp3+" "+":)"); return (false); } } } }//end for (l = 0; l < calculatetype.length; l++) } } alert("Jackie算不出来"+" "+":("); return (false); }function CheckErr(Inputstr) ...{ var checkOK = "0123456789"; var Validator = false; if ((Inputstr.length>1) || (Inputstr.length==0)) return (true); for (j = 0; j < checkOK.length; j++) if (Inputstr == checkOK.charAt(j)) break; if (j == checkOK.length) Validator = true; return (Validator); }function cal(a,b,type) ...{ a -= 0; b -= 0; if (type=="A") c = a+b; if (type=="B") c = a-b; if (type=="C") c = b-a; if (type=="D") c = a*b; if ((type=="E") && b==0) c = 9999; if ((type=="E") && b!=0) c = a/b; if ((type=="F") && a==0) c = 9999; if ((type=="F") && a!=0) c = b/a; return (c); }function show(a,b,type) ...{ //a -= 0; //b -= 0; if (type=="A") c = "("+a+"+"+b+")"; if (type=="B") c = "("+a+"-"+b+")"; if (type=="C") c = "("+b+"-"+a+")"; if (type=="D") c = a+"*"+b; if ((type=="E") && b==0) c = 9999; if ((type=="E") && b!=0) c = a+"/"+b; if ((type=="F") && a==0) c = 9999; if ((type=="F") && a!=0) c = b+"/"+a; return (c); }//--></script><title>个人所得税计算器_Jackie060219</title></head><body><form name="form1" onsubmit="return FrontPage_Form_Validator(this)"> <div align="center"><center><table border="1" width="350" cellpadding="4" cellspacing="0" bordercolor="#bbddff" style="FONT-SIZE: 9pt; FONT-FAMILY: 新细明体"> <tr> <td><div align="center"><center><p><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体"><font color="#ff0000">个人所得税计算器<INPUT size=18 name=type value=个人所得税计算器 disabled readOnly></font></span></center></P></div></td> </tr> <tr align="middle"> <td><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体">请输入您的月收入：</span> <input name="money" size="18"><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体">元</span></td> </tr> <tr align="middle"> <td><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体">当地个人所得税起征额：</span><input name="KCmoney" size="18" ><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体">元</span><br>(例如8001000, 上海新标准是1600)</td> </tr> <tr align="middle"> <td bgcolor="#88c4ff"><input type="submit" name="sub" value="计算" ><input type="reset" value="重新输入" id=reset1 name=reset1></td> </tr> </table> </center></div></form><form name="form2" onsubmit="return FrontPage_Form_Validator(this)"> <div align="center"><center><table border="1" width="350" cellpadding="4" cellspacing="0" bordercolor="#bbddff" style="FONT-SIZE: 9pt; FONT-FAMILY: 新细明体"> <tr> <td><div align="center"><center><p><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体"><font color="#ff0000">个人所得税反算计算器<INPUT disabled readOnly size=18 value=个人所得税反算计算器 name=type></font></span></center></P></div></td> </tr> <tr align="middle"> <td><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体">请输入您的月缴纳所得税：</span> <input name="money" size="18"><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体">元</span></td> </tr> <tr align="middle"> <td><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体">当地个人所得税起征额：</span><input name="KCmoney" size="18" ><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体">元</span><br>(例如8001000, 上海新标准是1600)</td> </tr> <tr align="middle"> <td bgcolor="#88c4ff"><input type="submit" name="sub" value="计算" ><input type="reset" value="重新输入" id=reset2 name=reset2></td> </tr> </table> </center></div></form><form name="form3" onsubmit="return FrontPage_Form_To24(this)"> <div align="center"><center><table border="1" width="350" cellpadding="4" cellspacing="0" bordercolor="#bbddff" style="FONT-SIZE: 9pt; FONT-FAMILY: 新细明体"> <tr align="middle"> <td><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体"><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体"><FONT color=#ff0000>输入4个一位数,计算24点</FONT></SPAN></span></td> </tr> <tr align="middle"> <td><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体"><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体"><INPUT size=18 name=int1></SPAN><INPUT size=18 name=int2></span></td> </tr> <tr align="middle"> <td><span style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体"><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: 新细明体"><INPUT size=18 name=int3></SPAN><INPUT size=18 name=int4></span></td> </tr> <tr align="middle"> <td bgcolor="#88c4ff"><input type="submit" name="sub" value="计算" ><input type="reset" value="重新输入" id=reset1 name=reset1></td> </tr> </table> </center></div></form><a href="http://www.speakeasy.net/speedtest/"><img src="http://www.speakeasy.net/images/speedtest/gifs/speedtest_120x60.gif" width="120" height="60" border="0" alt="Speakeasy Speed Test"></a></body></html>