<script language=JavaScript>
function tofloat(f,dec) {
if(dec<0) return "Error:dec<0!";
result=parseInt(f)+(dec==0?"":".");
f-=parseInt(f);
if(f==0)
for(i=0;i<dec;i++) result+='0';
else {
for(i=0;i<dec;i++) f*=10;
result+=parseInt(Math.round(f));
}
return result;
}
alert(tofloat(11.20000000000000000001,2))
</script>
function tofloat(f,dec) {
if(dec<0) return "Error:dec<0!";
result=parseInt(f)+(dec==0?"":".");
f-=parseInt(f);
if(f==0)
for(i=0;i<dec;i++) result+='0';
else {
for(i=0;i<dec;i++) f*=10;
result+=parseInt(Math.round(f));
}
return result;
}
alert(tofloat(11.20000000000000000001,2))
</script>
function tofloat(f,dec) {
if(dec<0) return "Error:dec<0!";
result=parseInt(f)+(dec==0?"":".");
f-=parseInt(f);
if(f==0)
for(i=0;i<dec;i++) result+='0';
else {
for(i=0;i<dec;i++) f*=10;
result+=parseInt(Math.round(f));
}
return result;
}
alert(tofloat(11.20000000000000000001,2))
</script>
<!--
Number.prototype.Fixed=function(n){
return Math.round(this*Math.pow(10,n))/Math.pow(10,n)
}
a=3.145
alert(a.Fixed(2))
alert(a.toFixed(2));//ie5.5+
//-->
</script>