.toFixed not for .0*

Question

I have a few values:

var one = 1.0000
var two = 1.1000
var three = 1.1200
var four = 1.1230

and function:

function tofixed(         


        

Answer 1

Assuming you want String outputs

function myFixed(x, d) {
    if (!d) return x.toFixed(d); // don't go wrong if no decimal
    return x.toFixed(d).replace(/\.?0+$/, '');
}
myFixed(1.0000, 2); // "1"
myFixed(1.1000, 2); // "1.1"
myFixed(1.1200, 2); // "1.12"
myFixed(1.1230, 2); // "1.12"