JS Keep 4 of decimal points to achieve code sharing _JAVASCRIPT skills

1, the decimal point clear 0:

Copy Code code as follows:

function ReturnFloat0 (value) {
Value = Math.Round (parsefloat (value));
return value;
}

2. Keep a decimal point:

Copy Code code as follows:

function ReturnFloat1 (value) {
Value = Math.Round (parsefloat (value) * 10)/10;
if (value.tostring (). IndexOf (".") < 0) {
Value = value.tostring () + ". 0";
}
return value;
}

3. Keep two decimal points

Copy Code code as follows:

function ReturnFloat2 (value) {
Value = Math.Round (parsefloat (value) * 100)/100;
if (value.tostring (). IndexOf (".") < 0) {
Value = value.tostring () + ". 00";
}
return value;
}

4, keep two decimal points, a decimal automatically fill 0

Copy Code code as follows:

function ReturnFloat3 (value) {
    value = Math.Round ( parsefloat (value) * 100)/100;
    var xsd = value.tostring (). Split (".");
   //ext.log (xsd.length);
    if (xsd.length==1) {
        value = value.tostring () + " .00 ";
        return value;
   }
    if (xsd.length>1) {
        if (xsd[1].length<2) {
            value = value.tostring () + "0";
       }
        return value;
   }
}