UPDATE: I solved the problem using online syntax checker at https://esprima.org/demo/validate.html I'm stuck with tmux and the right mouse button. But I would be glad if anyone who reads this message still can share a document or page about the good debugging practices I mentioned in the second par…

A few articles have been written about debugging with Node-RED, I think there is one on my blog. Most of the time, debugging involves simply copious amounts of logging statements. I tend to use console.log for temporary outputs - leaving the node-red log for things I probably want to leave in place…

Hi Özgür, Welcome to this forum! When I paste the javascript code of your .html file in jshint.com , then you see this: [image] So when I follow the directions on the right pane, you should need to change it to this: var newConfigJSON = { PORT_COUNT: $("#node-input-portCoun…

BTW in your node-red-log output you will only see the server side syntax errors, i.e. the syntax errors in your .js file. In the browser console log (like in your screenshot), you will see the client side syntax errors. I.e. the javascript in your .html file.

[image] enseitankado: enlighten me about what are good practices for debugging (other than what I mentioned above) Had overlooked that you already solved the syntax error yourself ... BTW If you really want to start debugging (i.e. not just setting the log level to debug), then perhaps this …

BartButenaers , TotallyInformation The information you provided was very useful for a beginner like me. I have not encountered these methods before. Thank you for your help. :+1:

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Solved: About syntax errors and good debugging practices

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Solved: About syntax errors and good debugging practices

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