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1. www.w3schools.com › js › js_scopeJavaScript Scope - W3Schools

   www.w3schools.com › js › js_scope

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   JavaScript variables have 3 types of scope: Block scope. Function scope. Global scope. Block Scope. Before ES6 (2015), JavaScript variables had only Global Scope and Function Scope. ES6 introduced two important new JavaScript keywords: let and const. These two keywords provide Block Scope in JavaScript.

2. stackoverflow.com › questions › 762011javascript - What is the difference between "let" and "var"? -...

   stackoverflow.com › questions › 762011

   18 kwi 2009 · The main difference is scoping rules. Variables declared by var keyword are scoped to the immediate function body (hence the function scope) while let variables are scoped to the immediate enclosing block denoted by { } (hence the block scope).

3. www.freecodecamp.org › news › scope-in-javascript-global-vs-local-vs-block-scopeScope in JavaScript – Global vs Local vs Block Scope Explained

   www.freecodecamp.org › news › scope-in-javascript-global-vs-local-vs-block-scope

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   13 lis 2023 · Global, Local, and Block Scope: JavaScript offers different types of scope, each serving specific purposes. Global scope provides broad accessibility, local scope offers isolation, and block scope controls visibility within specific code blocks.

4. dev.to › ale3oula › the-hor-r-o-r-scope-global-local-and-block-scope-in-js-37a1The horror-scope - Global, Local and Block scope in JS

   dev.to › ale3oula › the-hor-r-o-r-scope-global-local-and-block-scope-in-js-37a1

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   17 cze 2019 · The main difference between the local scope and block scope is that the block statements (e.g. if conditions or for loops), don't create a new scope. So the var keyword will not have an effect, because the variables are still in the same scope.

5. www.geeksforgeeks.org › what-is-block-scope-in-javascriptWhat is block scope in JavaScript? - GeeksforGeeks

   www.geeksforgeeks.org › what-is-block-scope-in-javascript

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   14 lut 2024 · Block scope in JavaScript refers to the scope of variables and functions that are defined within a block of code, such as within a pair of curly braces {}. Variables and functions declared with let and const keywords have block scope.

6. www.geeksforgeeks.org › global-and-local-variables-in-javascriptGlobal and Local variables in JavaScript - GeeksforGeeks

   www.geeksforgeeks.org › global-and-local-variables-in-javascript

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   20 sie 2024 · In JavaScript, understanding the difference between global and local variables is important for writing clean, maintainable, and error-free code. Variables can be declared with different scopes, affecting where and how they can be accessed.

7. frontend-developer.medium.com › understanding-local-scope-in-javascript-aUnderstanding Local Scope in JavaScript: A Practical Guide

   frontend-developer.medium.com › understanding-local-scope-in-javascript-a

   25 mar 2024 · Understanding local scope in JavaScript is fundamental for writing maintainable and error-free code. Local scope refers to the accessibility and visibility of variables and functions within a...