main.740580f8c3f0e7fe0b39.js:1 Uncaught ReferenceError: global is not defined code example

Example: ReferenceError: global is not defined

<script>
    var global = global || window;
    var Buffer = Buffer || [];
    var process = process || {
      env: { DEBUG: undefined },
      version: []
    };
  </script>