[]==! []

Why? []==![] The final running result is true, What kind of transformation has taken place inside

1. ! Operator priority ratio == high , So, first of all, we calculate ![], obtain false.
2. false In the operation, it will be cast to 0.
3. [] Cast to original type “”.
4. “” Will be cast to 0.
5. On both sides number The type is 0, therefore 0==0 by true.