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Real-Time Ticker Showing Your Government's Cash Burn Rate

, 16 Feb 2015 CPOL 6.6K 4
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Essentially the same code snippet with just a little bit cleaner and more efficient code1. setTimeout() is replaced with setInterval() function2. The interval is correctly set to 333 msec to produce 3 updates per second as specifiedRelated application (as FYI): Inflation...
Essentially the same code snippet with just a little bit cleaner and more efficient code

1. setTimeout() is replaced with setInterval() function
2. The interval is correctly set to 333 msec to produce 3 updates per second as specified
 
Related application (as FYI): Inflation Calculator[^]
 

<html>
<head>
     <script src="http://ajax.aspnetcdn.com/ajax/jquery/jquery-1.5.1.js" type="text/javascript"></script>
</head>
<body>
    <div id="counter"></div>
 
<script type="text/javascript">
    // capture the date parts we need for the calculation
    var currentyear = new Date().getFullYear();
    var startDateTicks = new Date(currentyear, 0, 1).getTime();
 
    // replace this with the ID of the element that is used to
    // display your burnt money total
    var $burnedMoneyElement = $("#counter");
 
    // replace this with your government's annual budget
    var governmentBudget = 13265000000;
 
    // figure out the per-second burn rate
    var moneyMultiplier = (((governmentBudget / 365) / 24) / 60) / 60;
 

    $(document).ready(function(){
    // this is called when the page is fully loaded
    // use setInterval() function to update the reading about 3 times a second
     setInterval("updateBurnedMoneyTicker()", 333);
   });
 
    // show me the money!!
    function updateBurnedMoneyTicker() {
        var curDateTicks = new Date().getTime();
        var totalVal = 0;
        // ticks are in milliseconds, compute by the second
        totalVal = (curDateTicks - startDateTicks);
        totalVal = totalVal / 1000;
        totalVal = totalVal * moneyMultiplier;
        $burnedMoneyElement.html(formatCurrency(totalVal));
    }
 
    // this currency formatting function is 
    // from http://javascript.internet.com
    function formatCurrency(num) {
        num = num.toString().replace(/\$|\,/g, '');
        if (isNaN(num))
            num = "0";
        sign = (num == (num = Math.abs(num)));
        num = Math.floor(num * 100 + 0.50000000001);
        cents = num % 100;
        num = Math.floor(num / 100).toString();
        if (cents < 10)
            cents = "0" + cents;
        for (var i = 0; i < Math.floor((num.length - (1 + i)) / 3); i++)
            num = num.substring(0, num.length - (4 * i + 3)) + ',' +
            num.substring(num.length - (4 * i + 3));
        return (((sign) ? '' : '-') + '$' + num + '.' + cents);
    } // end of code from http://javascript.internet.com
</script>
</body></html>

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

DrABELL
President Infosoft International Inc
United States United States
Dr. A. Bell has 20+ years of Software and Electrical Engineering experience: Win/Web veteran, published 300+ articles and authored 37 inventions, credited for 10+ Enterprise level projects (>250k code lines); currently focused on .NET/WPF/C#, Javascript/jQuery, 'Big Data', AI, IoT and Mobile apps. Participated in App Innovation Contest (AIC 2102/2013) with several winning submissions. Sample projects/pubs follow:
  1. WebTV Project: Embedded YouTube Player (Goog #1 YouTube API for ASP.NET)
  2. Edumatter M12: School Math Calculators and Equation Solvers (contest winner)
  3. Engineering Calculator VOLTA-2013 (contest winner)
  4. Online 3 Fractions Calculator (#1 on Goog)
  5. Engineering Calculator VOLTA-814 for Windows
  6. Real-time NY Bus monitoring app
  7. Inflation Calculator
  8. PaydayNY-2015 Payroll Tax Calculator (Win)
  9. Multilingual Geocoder with Interactive Map
  10. Semantic Analyzer (Concordance Calculator)
  11. Prime Factoring Calculator

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Comments and Discussions

 
GeneralHi Mr. James, Thanks for this clarification. In order to rea... Pin
DrABELL21-Mar-11 6:02
memberDrABELL21-Mar-11 6:02 
GeneralReason for my vote of 5 thanks for the review! Pin
TheyCallMeMrJames20-Mar-11 11:26
memberTheyCallMeMrJames20-Mar-11 11:26 
Generallol...yeah, in the body of the tip i had 333 in there too. i... Pin
TheyCallMeMrJames20-Mar-11 11:25
memberTheyCallMeMrJames20-Mar-11 11:25 
GeneralRe: Hi Mr. James, Thanks for this clarification. In order to r... Pin
DrABELL21-Mar-11 6:04
memberDrABELL21-Mar-11 6:04 

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