var - JavaScript | MDN
Jul 8, 2025 · In both NodeJS CommonJS modules and native ECMAScript modules, top-level variable declarations are scoped to the module, and are not added as properties to the global …
[JS] The Top-Level Scope Is NOT Always the Global Scope
Jan 4, 2024 · The top-level var creates a global variable in Script, while it does not in Module scope. A Different Point in Node.js On the other hands, Node.js has different behavior from …
Node js Variable Scoping: Global Versus Module Scope
Nov 4, 2025 · Investigate the distinct variable scopes in Node.js—Global, Module, and Function scopes—and how the 'var' keyword influences accessibility.
javascript - NodeJS Variable Scope - Stack Overflow
Apr 1, 2015 · In PHP any included/required scripts would be able to access variables from the parent script, but in NodeJS as I know it for example I have to re-require/state the mongoose …
node.js - Node JS variable scope - Stack Overflow
Dec 6, 2012 · If you try to access socket you'll get an exception like you do.Because socket is not in that function scope. Both socket and data are coming from the asynchronous callbacks …
Node.js vs. Browser: Understanding the Global Scope Battle
Jun 27, 2024 · This change promotes better variable scoping, reducing the risk of unintentional global variable pollution. Global Scope in Node.js In contrast, Node.js operates in a server …
javascript - What is the 'global' object in NodeJS - Stack ...
Apr 26, 2017 · While in browsers the global scope is the window object, in nodeJS the global scope of a module is the module itself, so when you define a variable in the global scope of …
What is Variable Scope in JavaScript ? - GeeksforGeeks
Jul 26, 2025 · Block scope Function scope Local scope Global scope Block scope Earlier JavaScript had only Global Scope and Function Scope. let and const are the two new …