title: how can i read data from specific row and column to specific row and column from excel sheet to json format in nodejs
body: <p>I am using xlsx package. Please suggest any other package if available</p>
  
  <p>I tried this but i am not getting complete data </p>
  
  <pre><code>var sheet, jsonData,
      excelString = new Buffer(base64, 'base64').toString('binary'),
      workbook = excelParser.read(excelString, {type: 'binary'});
  
      if (workbook.Sheets['Sheet1']) {
        sheet = workbook.Sheets['Sheet1'];
        workbook.Sheets['Sheet1'] = sheet;
        jsonData = excelParser.utils.sheet_to_json(workbook.Sheets['Sheet1'], {});
  </code></pre>