AWS, JavaScript, React - Deploy Web Apps on the Cloud - JavaScript Array Attributes

The video tutorial explains how to output values from an array using the tostring method and how to specify a separator using the join method. It demonstrates saving the file and previewing the output in a web browser, highlighting the use of commas and custom separators like an asterisk with spaces.

What is the significance of the individual space included before and after the separator?

What happens to the output when you refresh the web browser after saving the file?