when i call a suitelet from a client script, the response suddenly includes HTML comments of server statistics

AI generated answer (using internal Slack threads):

When you call a Suitelet from a Client Script and the response includes HTML comments of server statistics, it's likely because NetSuite is interpreting your response as HTML. This usually happens when the response contains '<' or '>' characters. To avoid this, you need to specify the response type in your Suitelet by setting the 'Content-Type' header to 'application/json'. This tells NetSuite that the response is JSON data, not HTML, and it should prevent the addition of the server statistics comments. Here is a code sample on how to set the 'Content-Type' header in your Suitelet:

javascript
scriptContext.response.setHeader({
    name: 'Content-Type',
    value: 'application/json',
});

After setting the 'Content-Type' header, your response should no longer include the HTML comments of server statistics. ****** Disclaimer: This response was generated by an artificial intelligence assistant based on previous conversations from multiple Slack channels, and may contain inaccuracies or mistakes. ******