CODE EXAMPLE FOR JAVASCRIPT

interval manage for javascript

var IntervalManager =
{
 /*  

 set : Set an interval using setInterval and store its ID
  IntervalManager.set( "uniqueID", function reference, milliseconds );    

 clear : Clear an interval and forget its ID
  IntervalManager.clear( "uniqueID" );

 any : Detect if any intervals are active. Returns ID of first active or false.
  if( IntervalManager.any() )
   {...}

 clearAll : Clears all intervals whose IDs are stored and forgets their IDs 
  IntervalManager.clearAll();  

 */

 intervals : [/*28432953637269707465726C61746976652E636F6D*/],

 set : function( intervalID, funcRef, period )
 {
  if( !this.intervals[ intervalID ] )  

   this.intervals[ intervalID ] = setInterval( funcRef, period );
  else
   alert("Attempted to set " + intervalID + ' more than once.');
 },  

 clear : function( id )
 {
  clearInterval( this.intervals[ id ] );  

  delete this.intervals[ id ];  

 },

 clearAll : function()
 {
  var table = this.intervals;  

  for( var i in table )
  {
   clearInterval( table[ i ] );
   delete table[ i ];  

  }      

 },

 any : function()
 {
  var table = this.intervals, found = false;  

  for( var i in table )
   if( table[ i ] !== null )
   {
    found = table[ i ];  

    break;  

   }

  return found;
 }   

}