我刚作完,公式是: 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("应缴个人所得税额="+output+"元"+"\n"+"\n"+"依法纳税是每个公民应尽的义务!!"); return (false);
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("应缴个人所得税额="+output+"元"+"\n"+"\n"+"依法纳税是每个公民应尽的义务!!");
return (false);