Add Commas To My String

Question

I need help adding a comma to MileagePointsObj.innerHTML in calcMileagePoints function. Right now it's set to round to the nearest 10.

<script type="text/javascript">     
        window.onload=function() {
            LapTimeObj = document.getElementById('InputLaptime');
            RaceLengthObj = document.getElementById('InputRaceLength');
            MileagePointsObj = document.getElementById('TDMileagePoints');
            document.getElementById('btnReset').onclick = resetInputs;
            document.getElementById('btnCalc').onclick = calcMileagePoints;
        }
        function resetInputs() {
            LapTimeObj.value = '';
            RaceLengthObj.value = '';
            MileagePointsObj.innerHTML = '';
        }
        function calcMileagePoints() {
            var LapTime = new Number(LapTimeObj.value);
            var RaceLength = new Number(RaceLengthObj.value);
            MileagePointsObj.innerHTML = '';

            MileagePointsObj.innerHTML = parseInt(((RaceLength*60*60)/LapTime)*10 / 10, 10) * 10;
        }
    </script>

Thanks in advance!

Jerome

Use number.toLocaleString(): developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… — John Ellmore
– John Ellmore, Commented Nov 8, 2017 at 21:48
what do you mean by "add a comma" ? You want a decimal number or just add a comma after the number ? — ValLeNain
– ValLeNain, Commented Nov 8, 2017 at 21:49
regex to add commas to a large number in the first answer here stackoverflow.com/questions/2901102/… — IrkenInvader
– IrkenInvader, Commented Nov 8, 2017 at 21:51
@JohnEllmore Ellmore, how would I implement that? I'm rather new to making these kinds of changes. — Jump_Ace
– Jump_Ace, Commented Nov 8, 2017 at 21:57

kemotoe · Accepted Answer · 2017-11-08 21:52:55Z

2

As stated in the comments use toLocaleString()

Simple example

let number = 123456789;
let numberWithComma = number.toLocaleString();
console.log(numberWithComma);

answered Nov 8, 2017 at 21:52

kemotoe

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1 Comment

Jump_Ace Over a year ago

I got it put together. Thanks guys! MileagePointsObj.innerHTML = (parseInt(((RaceLength*60*60)/LapTime)*10 / 10, 10) * 10).toLocaleString()

Jump_Ace · Accepted Answer · 2017-11-08 22:48:20Z

0

Thank you for the help guys!

MileagePointsObj.innerHTML = (parseInt(((RaceLength*60*60)/LapTime)*10 / 10, 10) * 10).toLocaleString()

answered Nov 8, 2017 at 22:48

Jump_Ace

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