Scoping Glossary

Browse 4 scoping terms defined in plain English, from the cultural dictionary of computing.

4 Scoping Terms

Penetration Scope
The defined boundaries of what a penetration test may target, how far testers may go, and which techniques, systems, or data are included or excluded. Clear...
Temporal Dead Zone
The region in a JavaScript scope between the start of the block and the point where a let or const variable is declared, during which any reference to that...
Var
The original variable declaration keyword in JavaScript, which is function-scoped (not block-scoped) and hoisted to the top of its enclosing function. Largely...
Variable Shadowing
The situation where a variable declared in an inner scope has the same name as one in an outer scope, effectively hiding the outer variable within that block....

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