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UpdateRow()

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ZingGrid autoformats headers for you by capitalizing and spacing your camel case data keys.
Result Full HTML CSS JS
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Full Code

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingGrid: Simple Grid</title>
  <script nonce="undefined" src="https://cdn.zinggrid.com/zinggrid.min.js"></script>
  <style>
    .zg-body {
      background: #e6e6e6;
    }

    #updateCell {
      border: 2px solid;
      width: 7rem;
      height: 2rem;
      border-radius: 5rem;
      margin: 0.5rem;
    }

    #updateCell:hover {
      opacity: 0.6;
    }

    zing-grid[loading] {
      height: 373px;
    }
  </style>
</head>

<body class="zg-body">
  <button id="updateCell">Update Cell</button>
  <zing-grid caption="EPL Top Scorers" layout="row" layout-controls="disabled" viewport-stop>
    <zg-data data='[
        {
          "playerName": "Eden Hazard",
          "playerClub": "Chelsea",
          "goalsScored": 5          
        },
        {
          "playerName": "Aleksandar Mitrovic",
          "playerClub": "Fulham",
          "goalsScored": 5   
        },
        {
          "playerName": "Sergio Agüero",
          "playerClub": "Manchester City",
          "goalsScored": 4   
        },
        {
          "playerName": "Romelu Lukaku",
          "playerClub": "Manchester United",
          "goalsScored": 4   
        },
        {
          "playerName": "Sadio Mané",
          "playerClub": "Liverpool",
          "goalsScored": 4   
        }
      ]'></zg-data>
  </zing-grid>
  <script>
    ZingGrid.setLicense(['26ccbfec16b8be9ee98c7d57bee6e498']);
    updateCell.addEventListener('click', () => {
      let zgRef = document.querySelector('zing-grid');
      zgRef.updateRow(1, {
        'playerName': 'UPDATED!',
        'playerClub': 'UPDATED CLUB!',
        'goalsScored': '10'
      });
    });
  </script>
</body>

</html>
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>ZingGrid: Simple Grid</title>
    <script src="https://cdn.zinggrid.com/zinggrid.min.js"></script>
  </head>
  <body class="zg-body">
    <button id="updateCell">Update Cell</button>
    <zing-grid 
      caption="EPL Top Scorers"
      layout="row"
      layout-controls="disabled"
      viewport-stop>
      <zg-data 
        data='[
        {
          "playerName": "Eden Hazard",
          "playerClub": "Chelsea",
          "goalsScored": 5          
        },
        {
          "playerName": "Aleksandar Mitrovic",
          "playerClub": "Fulham",
          "goalsScored": 5   
        },
        {
          "playerName": "Sergio Agüero",
          "playerClub": "Manchester City",
          "goalsScored": 4   
        },
        {
          "playerName": "Romelu Lukaku",
          "playerClub": "Manchester United",
          "goalsScored": 4   
        },
        {
          "playerName": "Sadio Mané",
          "playerClub": "Liverpool",
          "goalsScored": 4   
        }
      ]'></zg-data>
    </zing-grid>
  </body>
</html>
.zg-body { background:#e6e6e6; }
#updateCell { 
  border: 2px solid;
  width: 7rem;
  height: 2rem;
  border-radius: 5rem;
  margin: 0.5rem;
}

#updateCell:hover {
  opacity: 0.6;
}
updateCell.addEventListener('click', () => {
    let zgRef = document.querySelector('zing-grid');
    zgRef.updateRow(1, { 'playerName': 'UPDATED!',
        'playerClub': 'UPDATED CLUB!',
        'goalsScored': '10' });
});

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