add 30 minutes to time as hours and minutes - Javascript Date Operation

Javascript examples for Date Operation:Minute

Description

add 30 minutes to time as hours and minutes

Demo Code

ResultView the demo in separate window

<html>
   <head> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript">
    window.onload=function(){//from  w  ww  .java  2s  .  c  o  m
function addMinutesToTime(time, minsAdd) {
  function z(n){ return (n<10? '0':'') + n;};
  var bits = time.split(':');
  var mins = bits[0]*60 + +bits[1] + +minsAdd;
  return z(mins%(24*60)/60 | 0) + ':' + z(mins%60);
}
result=addMinutesToTime('6:31',30);
console.log(result);

result=addMinutesToTime('6:51',30);
console.log(result);

result=addMinutesToTime('6:01',30);
console.log(result);

    }

      </script> 
   </head> 
   <body>  
   </body>
</html>

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