Page 14 of 48 for Tiffany R. White Blog | A Technical Blog by Tiffany White

Scope for Beginners

In JavaScript, lexical scope deals with where your variables are defined, and how they will be accessible — or not accessible — to the rest of your code.

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Primitive Data Types in Java

Variables in Java need to be declared before they can be used in Java because it is a statically-typed language. Because of this, you need to state the type of variable you are declaring.

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Let and Const for Block Scope

Up until ES6, you couldn’t achieve true block scoping in JavaScript. With the var keyword, the scope in a code block could be accessed in the global scope, as variable declarations are hoisted to the top of scope and the assignments are kept where they are.

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