How to create a timer?

[Mickster]

Can't use setTimer, so how do you create a timer?

[Mike Hale]

From Jeff Tranberry
Code: Select all///////////////////////////////////////////////////////////////////////////////
// Object: Timer
// Usage: Time how long things take or delay script execution
// Input: <none>
// Return: Timer object
// Example:
//
//   var a = new Timer();
//   for (var i = 0; i < 2; i++)
//      a.pause(3.33333);
//   a.getElapsed();
//  jeff tranberry
///////////////////////////////////////////////////////////////////////////////
function Timer() {
   // member properties
   this.startTime = new Date();
   this.endTime = new Date();
   
   // member methods
   
   // reset the start time to now
   this.start = function () { this.startTime = new Date(); }
   
   // reset the end time to now
   this.stop = function () { this.endTime = new Date(); }
   
   // get the difference in milliseconds between start and stop
   this.getTime = function () { return (this.endTime.getTime() - this.startTime.getTime()) / 1000; }
   
   // get the current elapsed time from start to now, this sets the endTime
   this.getElapsed = function () { this.endTime = new Date(); return this.getTime(); }
   
   // pause for this many seconds
   this.pause = function ( inSeconds ) {
      var t = 0;
      var s = new Date();
      while( t < inSeconds ) {
         t = (new Date().getTime() - s.getTime()) / 1000;
      }
   }
}

[jacobolus]

Do you mean setTimeout, as in the usual browser API?

What are you trying to do with your timer?

[kathleensd]

Mike Hale wrote:From Jeff Tranberry
Code: Select all///////////////////////////////////////////////////////////////////////////////
// Object: Timer
// Usage: Time how long things take or delay script execution
// Input: <none>
// Return: Timer object
// Example:
//
//   var a = new Timer();
//   for (var i = 0; i < 2; i++)
//      a.pause(3.33333);
//   a.getElapsed();
//  jeff tranberry
///////////////////////////////////////////////////////////////////////////////
function Timer() {
   // member properties
   this.startTime = new Date();
   this.endTime = new Date();
   
   // member methods
   
   // reset the start time to now
   this.start = function () { this.startTime = new Date(); }
   
   // reset the end time to now
   this.stop = function () { this.endTime = new Date(); }
   
   // get the difference in milliseconds between start and stop
   this.getTime = function () { return (this.endTime.getTime() - this.startTime.getTime()) / 1000; }
   
   // get the current elapsed time from start to now, this sets the endTime
   this.getElapsed = function () { this.endTime = new Date(); return this.getTime(); }
   
   // pause for this many seconds
   this.pause = function ( inSeconds ) {
      var t = 0;
      var s = new Date();
      while( t < inSeconds ) {
         t = (new Date().getTime() - s.getTime()) / 1000;
      }
   }
}

Thanks a lot for the code Mike. Really helped me a lot.




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