jquery - How to make real time count up with Javascript? - 


<!doctype html>  <html>  <head lang="en">      <meta charset="utf-8">      <title>count up</title>  </head>  <body>        <h1>number 1</h1>  <div id="counter"></div>    <br>    <h1>number 2</h1>  <div id="counter_2"></div>          <script>        var start_date = new date("july 2, 2015 11:00:00"); // put in starting date here      var interval = 0.366; // in seconds      var increment = 1; // increase per tick      var start_value = 7325698160; // initial value when it's start date      var count = 0;        window.onload = function ()      {          var msinterval = interval * 1000;          var = 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);      }              var start_date_2 = new date("july 2, 2015 11:00:00"); // put in starting date here      var interval_2 = 0.366; // in seconds      var increment_2 = 1; // increase per tick      var start_value_2 = 738160; // initial value when it's start date      var count_2 = 0;        window.onload = function ()      {          var msinterval = interval_2 * 1000;          var = new date();          count_2 = parseint((now - start_date_2)/msinterval) * increment_2 + start_value_2;          document.getelementbyid('counter_2').innerhtml = count;          setinterval("count_2 += increment_2; document.getelementbyid('counter_2').innerhtml = count_2;", msinterval);      }  </script>    </body>  </html>

i had count up, worked 1 number. however, when tying add more, did not work well. display second function. me out?? lot!!!!

you overwrite window.onload handler second one. if want asssign multiple event handlers same event use addeventlistener method:

window.addeventlistener('load', function() {     var msinterval = interval_2 * 1000;     var = new date();     count_2 = parseint((now - start_date_2) / msinterval) * increment_2 + start_value_2;     document.getelementbyid('counter_2').innerhtml = count;     setinterval("count_2 += increment_2; document.getelementbyid('counter_2').innerhtml = count_2;", msinterval); });

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