var Height= (rowData.length * 30) + PPPP.top + 10 ;
When i print this i get 9013510... instead of 90 +135+10 = 235. Why does mine turns into concatentaion instead of Addition.
You probably need to convert PPPP.top to a number, eg.
var Height = (rowData.length * 30) + parseFloat(PPPP.top) + 10;
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