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Using Ogma with requireJS 
Example of usage with requireJS:
html
<script src="require.js"></script>
<script>
  requirejs(['path/to/ogma-min'], function (Ogma) {
    const ogma = new Ogma({ graph: { nodes: [{ id: 0, color: 'blue' }] } });
    console.log(ogma.getNode(0).color);
  });
</script>