https://www.freecodecamp.org › news › execution-context-how-javascript-works-behind-the-scenes
JavaScript Execution Context – How JS Works Behind The ScenesWhenever the JavaScript engine receives a script file, it first creates a default Execution Context known as the Global Execution Context (GEC). The GEC is the base/default Execution Context where all JavaScript code that is not inside of a function gets executed.
https://www.freecodecamp.org › news › how-javascript-works-behind-the-scene-javascript...
JavaScript Execution Context – How JS Works Behind the ScenesThe global execution context is created when a JavaScript script first starts to run, and it represents the global scope in JavaScript. A function execution context is created whenever a function is called, representing the function's local scope.
https://dev.to › dhavalkurkutiya › understanding-javascript-global-context-execution-155a
Understanding JavaScript Global Context ExecutionThe global context in JavaScript is the foundation upon which all code execution begins. Understanding how it works, along with the role of the global object and the this keyword, is essential for writing efficient and bug-free JavaScript code. By adhering to best practices, you can manage the global context effectively and avoid ...
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https://bruno-lesieur.developpez.com › tutoriels › javascript › es3-details › contexte-execution
Les contextes d'exécution en JavaScript - Developpez.comTutoriel pour apprendre les contextes d'exécution en JavaScript. Table des matières. I. Définition. II. Les différentes déclinaisons de code exécutable. II-A. Code global. II-B. Code de fonction. II-C. Code eval. III. Code global et implémentation dans les navigateurs. III-A. Conclusion. IV. Remerciements.
https://www.javascripttutorial.net › javascript-execution-context
Understanding JavaScript Execution Context By ExamplesWhen the JavaScript engine executes a script for the first time, it creates the global execution context. During this phase, the JavaScript engine performs the following tasks: Create the global object i.e., window in the web browser or global in Node.js. Create the this object and bind it to the global object.
https://blog.arcoptimizer.com › comprendre-le-contexte-dexecution-en-javascript
Comprendre le contexte d'exécution en JavaScript - Blog ARC OptimizerLe contexte d'exécution global est le contexte d'exécution par défaut créé par le moteur JavaScript. Tout le code global qui ne se trouve pas à l'intérieur d'une fonction ou d'un objet sera exécuté dans le contexte d'exécution global.
https://dev.to › ... › fast-guide-to-execution-context-execution-stack-in-javascript-3eij
Understanding The Execution Context & Stack - DEV CommunityWhen Javascript runs your script it creates the global execution contexts and pushes it on to the Execution Stack. This becomes the base of your execution stack and will stay there until your program is finally done before it pops off.
https://medium.com › @rabailzaheer › javascript-execution-context-behind-the-call-stack-19...
JavaScript Execution Context: Behind the Call StackThe global execution context is the top-level context in a JavaScript program. It represents the global scope, encompassing the entire program and all its components. This context sets the...
https://ui.dev › ultimate-guide-to-execution-contexts-hoisting-scopes-and-closures-in...
The Ultimate Guide to Hoisting, Scopes, and Closures in JavaScriptIn the Global Creation phase, the JavaScript engine will. Create a global object. Create an object called "this". Set up memory space for variables and functions. Assign variable declarations a default value of "undefined" while placing any function declarations in memory.
https://www.freecodecamp.org › news › javascript-execution-context-and-hoisting
JavaScript Execution Context and Hoisting Explained with Code ExamplesGlobal Execution Context (GEC) in JavaScript. Whenever we execute JavaScript code, it creates a Global Execution Context (also knows as Base Execution Context). The global execution context has two phases. Creation Phase. In the creation phase, two unique things get created: A global object called window (for the client-side JavaScript).
