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1. stackoverflow.com › questions › 4146124javascript - Naming/formatting standard for global variables -...

   stackoverflow.com › questions › 4146124

   10 lis 2010 · What is both the naming and formatting standard for global variables in JavaScript? For example: var global_var // ? var _global_var // ? var GLOBAL_VAR // ? var _GLOBAL_VAR // ? ... Note: I am NOT talking about constants, just simply variables that have global scope.

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

   www.w3schools.com › js › js_scope

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   If you assign a value to a variable that has not been declared, it will automatically become a GLOBAL variable. This code example will declare a global variable carName , even if the value is assigned inside a function.

3. cglab.ca › ~morin › teachingJavaScript Fundamentals - cglab.ca

   cglab.ca › ~morin › teaching

   Global Variables • Global variables are properties of the global object • In web pages, this object is called window • We can use the window.variable syntax to do this • We can access a global variable in another window if we know the name of the other window • This can be a security risk

4. web.stanford.edu › class › cs142JavaScript Basics - Stanford University

   web.stanford.edu › class › cs142

   1 sty 1970 · Global variables are bad in browsers - Easy to get conflicts between modules. Hoisting can cause confusion in local scopes (e.g. access before value set) function() { console.log('Val is:', val); ... for(var i = 0; i < 10; i++) { var val = "different string"; //. Hoisted to func start.

5. www.geeksforgeeks.org › local-and-global-variablesLocal and Global Variables - GeeksforGeeks

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

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   21 mar 2024 · Global variables, declared outside of any function, are accessible from any part of the program and persist throughout its execution. It's essential to use both judiciously, with local variables providing encapsulation and global variables offering shared data accessibility.

6. web.stanford.edu › cs › cs142JavaScript Programming - Stanford University

   web.stanford.edu › cs › cs142

   JavaScript Programming. Mendel Rosenblum. How do you program in JavaScript? From Wikipedia: ... supporting object-oriented, imperative, and functional programming ... Originally programming conventions (i.e. patterns) rather than language features. ECMAScript adding language features (e.g. class, => , etc.) Object-oriented programming: methods.

7. www.geeksforgeeks.org › how-to-declare-global-variables-in-javascriptHow to declare Global Variables in JavaScript - GeeksforGeeks

   www.geeksforgeeks.org › how-to-declare-global-variables-in-javascript

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   18 mar 2024 · How to declare Global Variables in JavaScript? In JavaScript, you can declare global variables by simply declaring them outside of any function or block scope. Variables declared in this way are accessible from anywhere within the script. Here’s how you declare global variables: // Declare global variables outside of any function or block scope