Answer / Himanshu Varshney

In JavaScript, there are two main categories of data types: Primitive (or simple) data types: Number, String, Boolean, Null, Undefined, and Symbol; and composite (or complex) data types: Object and Array.

Consider the following code: 1 2 3 4 5 (function() { var a = b = 5; })(); console.log(b); what will be printed on the console?

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