User Activity

Is there a standard way to trigger driver.close() upon application exit? Is there any way to provide a message upon successful completion of driver.close()?
Are there any limits on how many users can log into a Neo4j database (Enterprise Edition) concurrently? Are there any limits on how many bolt sessions (via JavaScript Driver) can be open to a Neo4j database (Enterprise Edition) concurrently?
I'm running Neo4j Desktop 1.1.15 and I noticed that my activation keys expire after one year. What happens upon expiry? How does one obtain or purchase new keys?
I'd to use JavaScript from the browser (front-end) to access a Neo4j database. From my understanding I should use the HTTP API in this scenario? The official JavaScript language driver is only for Node.js on the back-end?
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