How to reset and set new value to reverse countdownTimer in jQuery? -

html

<span id="hms_timer"></span> <button onclick="resetime()">reset time 3hr</button> 

javasript

//default countdown start 2 hour  $('#hms_timer').countdowntimer({             hours: 2,             minutes: 0,             seconds: 0,             size: "lg"         });  //onclick button reset previous countdown function resetime(){ $('#hms_timer').countdowntimer({                 hours: 3,                 minutes: 0,                 seconds: 0,                 size: "lg"              }); } 

i have used ref link http://harshen.github.io/jquery-countdowntimer

here 2 hour has set default coutdown timer.but when click on button(timer set 3 hr) counter going fast because of old timeout.can me? in advance.