16 Javascript Variable Scope Javascript 2S Ed63xjyQ

Web Reference: Scope refers to the availability of variables and functions in certain parts of the code. In JavaScript, a variable has two types of scope: Global Scope and ... Mar 13, 2026 · Scope determines where a variable can be accessed or used within a JavaScript program. It helps control the visibility and lifetime of variables in different parts of the code. These two keywords provide Block Scope in JavaScript. Variables declared with let and const inside a code block are "block-scoped," meaning they are only accessible within that block.

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