Little Red Dot in Console. What does it mean?

Little Red Dot in Console. What does it mean?
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#1

I’m trying to solve one of the intermediate algorhythms and I keep getting this little red dot in the freecodecamp console. There is nothing on the chrome console to help me figure out what it means.
It doesn’t mean null or undefined because that would solve the algorithm. Does anyone know what the little red dot means?


#2

It’s probably one of those ASCII characters that you can’t really type on the keyboard. Try returning parseInt(missing) + 1, then look up what that number is in ASCII.

Update: It turns out you’re trying to make a string out of NaN as char code.


#3

Got it. Thanks. So the red just means ‘non computable’.


#4

I got the red dot as well. This has helped me, Thanks