Matt G. answered • 02/15/23
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Full-Stack Software Engineer Specializing in Javascript & GraphQL
It's possible that "be 7-3p" is not related to JavaScript at all, but rather some kind of shorthand or notation used by the author of the note. If you can provide more context or information, I may be able to give a more specific answer.
If I had to take a wild guess: 7am to 3pm?
