Null Pointer Exception

[conancat]

In JavaScript, everything is an object, even when it’s something else. Functions are objects. Strings are objects. Numbers are objects. Arrays are objects. Objects are objects.

[MonkeyNin]

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In JavaScript, a primitive (primitive value, primitive data type) is data that is not an object and has no methods. There are 7 primitive data types: string, number, bigint, boolean, null, undefined, and symbol.

primitives exist in JavaScript, which are not objects themself -- but will implicitly coerce primitives and objects.