Question

147

Add Commas to JavaScript output

rated 0 times [ 152] [ 5] / answers: 1 / hits: 16360 / 13 Years ago, fri, june 17, 2011, 12:00:00

I'm using the following script to count upward at an interval and it works perfectly. However, I'd like it to format the number with commas (56,181,995 instead of 56181995).

var START_DATE = new Date(July 27, 2010 13:30:00); // put in the starting date here

var INTERVAL = 1; // in seconds

var INCREMENT = 2; // increase per tick

var START_VALUE = 101; // initial value when it's the start date

var count = 0;



window.onload = function()

{

var msInterval = INTERVAL * 1000;

var now = new Date();

count = parseInt((now - START_DATE)/msInterval) * INCREMENT + START_VALUE;

document.getElementById('counter').innerHTML = count;

setInterval(count += INCREMENT; document.getElementById('counter').innerHTML = count;, msInterval);

}

I thought I had found an answer here on SO but I can't get it to work:

How to print a number with commas as thousands separators in JavaScript

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trayvon

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answered 13 Years ago ariel · Accepted Answer

function addCommas(nStr)

{

    nStr += '';

    var x = nStr.split('.');

    var x1 = x[0];

    var x2 = x.length > 1 ? '.' + x[1] : '';

    var rgx = /(d+)(d{3})/;

    while (rgx.test(x1)) {

        x1 = x1.replace(rgx, '$1' + ',' + '$2');

    }

    return x1 + x2;

}

http://www.mredkj.com/javascript/nfbasic.html

To integrate:

var msInterval = INTERVAL * 1000;

var now = new Date();

count = parseInt((now - START_DATE)/msInterval) * INCREMENT + START_VALUE;

document.getElementById('counter').innerHTML = addCommas(count);

setInterval(count += INCREMENT; document.getElementById('counter').innerHTML = addCommas(count);, msInterval);