An initializer that makes complex class initialization possible. A class block initializer consists of the static keyword, an open brace character, initialization code, and a close brace character.

Whereas Java and several other programming languages have a wide and rich range of datatypes and collections types, JavaScript only has a small number of primitive datatypes (Boolean, Number, String, ...

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Using member initializers offers more control over what constructors do, and helps eliminate unnecessary default initialization. In C++, a constructor is a special class member function that provides ...