js calculate numbers, add two decimal places

function returnFloat(value){
        var value=Math.round(parseFloat(value)*100)/100;
        var xsd=value.toString().split(".");
        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;
        }
    }

　　Packaged and ready to use. . .