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You have completed (UPI) Chapter 4: Mastering JavaScript Basics: Operators, Variable Scope, and Data Handling!
Instruction
Understanding JavaScript Scopes: Block
Scope
A scope is a range of consecutive JavaScript statements with a clearly defined start and end. JavaScript knows four types of scopes: block, function, module, and global scope. Depending on the kind of declaration and the location of the declaration, variables are within such scopes. They are 'visible' and 'accessible' only within their scope. If you try to access them from outside,...