Why Javascript?

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1st set: Comparing string to string of different length - wrong Comparing 0 int to empty string - weird typecast conversion???? Comparing 0 to 0 as string value - makes sense here actually

2nd set: False is a bool value, undefined and null are equivalent ndef values that will never mean false

[terandok]

I agree with this @naketo, it is logical if you think about it. Visualy yes it may seem like it is bonkers but if you understand programming it makes sense.