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  1. JavaScript Scope - W3Schools

    Global variables has Global Scope: All scripts and functions in the same web page can access a variable with global scope.

  2. Scope in JavaScriptGlobal vs Local vs Block Scope Explained

    Nov 13, 2023 · Closures, which leverage function scope, play a pivotal role in encapsulating data and behavior. Best Practices Matter: Following scope best practices, such as minimizing …

  3. Variable Scopes in JavaScript - GeeksforGeeks

    Dec 8, 2025 · In JavaScript, scope defines the accessibility of variables in different parts of your code. It determines where a variable can be accessed or modified. Before ES6 (Released in …

  4. Global and local variable scope | Articles | web.dev

    Apr 14, 2022 · In this example, the globalMessage variable has a global scope and it's written outside of a function. During run and execution, you can access the value of the …

  5. Variable Scope in JavaScript - Delft Stack

    Mar 11, 2025 · This article explores variable scope in JavaScript, detailing global, function, and block scopes. Learn how to manage variable accessibility effectively for cleaner, more efficient …

  6. How to Make a Variable Global in JavaScript: Complete Guide

    Dec 26, 2025 · Making a variable global in JavaScript allows you to access it from any part of your code, across different functions and scopes. This comprehensive guide covers multiple …

  7. JavaScript Scope Explained with Examples — Block, Function ...

    Jun 24, 2025 · Learn JavaScript scope — how var, let, and const variables behave in block, function, and global scopes with clear examples.

  8. Scope in JavaScript - TutorialsTeacher.com

    Learn what is scope in JavaScript. How to create global variable and local variables. Scope in the JavaScript defines accessibility of variables, objects & functions.