title: Cannot read property ' anynumber (0,1,2...)' of undefined
body: <p>Can someone tell me why I am getting this error. I have attached screenshot of error.
  <a href="https://i.stack.imgur.com/6csgV.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/6csgV.png" alt="enter image description here"></a>
  Here is complete code.</p>
  
  <pre><code>for(var t=iStartIndex;t&lt;aCombos.length;t++){
              if(_aFinalSymbolCombo[aCombos[t].row][aCombos[t].col] === iValue || 
                                          _aFinalSymbolCombo[aCombos[t].row][aCombos[t].col] === WILD_SYMBOL){
                  iNumEqualSymbol++;
  
                  aCellList.push({row:aCombos[t].row,col:aCombos[t].col,value:_aFinalSymbolCombo[aCombos[t].row][aCombos[t].col]});
              }else{
                  break;
              }
          }
  
          //console.log('Value');
          //console.log('Value:'+(iNumEqualSymbol-1));
          var iV = iValue-1 ;
          var iN = iNumEqualSymbol-1 ;
          if(!isNaN(iV) &amp;&amp; !isNaN(iN)){
          if(s_aSymbolWin[iV][iN] &gt; 0){
              _aWinningLine.push({line:k+1,amount:s_aSymbolWin[iValue-1][iNumEqualSymbol-1], num_win:iNumEqualSymbol,value:iValue,list:aCellList});
              }
          }
  </code></pre>