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Josiah McClellanCourses Plus Student 7,869 Points
At 2:01 in this video, instructor says "truthy means anything other than zero, false, null or unidentified."
I believe he meant "zero, false, null, undefined, an empty string, or NaN".
Indeed here are the values that are falsey
- 0 (zero)
- "" (empty string)
- NaN (a special Number value meaning Not-a-Number!)