jsdocs zinggrid filterFunction

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingGrid Demo</title>
  <script nonce="undefined" src="https://cdn.zinggrid.com/zinggrid.min.js"></script>
  <style>
    html,
    body {
      height: 100%;
      width: 100%;
      margin: 0;
      padding: 0;
    }

    zg-caption h1 {
      font-size: 2rem;
    }

    zg-caption p {
      font-size: 1rem;
    }

    zg-head {
      font-size: 1.3rem;
    }

    zing-grid[loading] {
      height: 445px;
    }
  </style>
</head>

<body>
  <zing-grid filter="both" filter-menu-areas="both">
    <zg-data>
      <zg-param name="src" value="https://zingsoft-filter-function.glitch.me/api"></zg-param>
      <zg-param name="loadByPage" value="true"></zg-param>
      <zg-param name="serverFilter" value="true"></zg-param>
      <zg-param name="filterFunction" value="createFilterURL"></zg-param>
    </zg-data>
  </zing-grid>

  <script>
    ZingGrid.setLicense(['26ccbfec16b8be9ee98c7d57bee6e498']); // Builds url for filtering
    function createFilterURL(oFilter) {
      // Returns a URL query string 
      return `?filter=${encodeURIComponent(JSON.stringify(oFilter))}`;
      // Or an object as name/pair value
      // return {filter: JSON.stringify(oFilter)}
    };
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingGrid Demo</title>
  <script src="https://cdn.zinggrid.com/zinggrid.min.js"></script>
</head>

<body>
  <zing-grid filter="both" filter-menu-areas="both">
    <zg-data>
      <zg-param name="src" value="https://zingsoft-filter-function.glitch.me/api"></zg-param>
      <zg-param name="loadByPage" value="true"></zg-param>
      <zg-param name="serverFilter" value="true"></zg-param>
      <zg-param name="filterFunction" value="createFilterURL"></zg-param>
    </zg-data>
  </zing-grid>

</body>

</html>

html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

zg-caption h1 {
  font-size: 2rem;
}

zg-caption p {
  font-size: 1rem;
}

zg-head {
  font-size: 1.3rem;
}

// Builds url for filtering
function createFilterURL(oFilter) {
  // Returns a URL query string 
  return `?filter=${encodeURIComponent(JSON.stringify(oFilter))}`;
  // Or an object as name/pair value
  // return {filter: JSON.stringify(oFilter)}
};