JavaScript

Booleans

if (1) {'yes'} else {'no'}: 1 is truthy
if (0) {'yes'} else {'no'}: 0 is falsy
if (1 == 0) {'yes'} else {'no'}: a real Boolean value.
'What he said is ' + (1 == 0): Booleans get converted to whatever automatically.

José M. Vidal .

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