lib/stack.utility.js
function(o,value){
       var occurence = [];
       this.forEach(o,function occurmover(e,i,b){
         if(e === value){ occurence.push(i); }
       },this);
       return occurence;
    }
function(o,value){
       var occurence = [];
       this.forEach(o,function occurmover(e,i,b){
         if(e === value){ occurence.push(i); }
       },this);
       return occurence;
    }
function ( o , value ) { var occurence = [ ] ; this . forEach ( o , function occurmover ( e , i , b ) { if ( e === value ) { occurence . push ( i ) ; } } , this ) ; return occurence ; }
returns an array of occurences index of a particular value
returns an array of occurences index of a particular value