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@filipesperandio
Last active November 20, 2018 18:59
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> function validate(isValid) { return isValid || !isValid }
undefined
> validate(true)
true
> validate(false)
true
> validate(undefined)
true
> validate(null)
true
> validate(1)
1
> validate(0)
true
> validate("a")
'a'
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