What does this point to in the global execution context?
In a browser, this points to the window object. In Node.js modules, this points to module.exports (or globalThis in modern code).
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More FAQs in Global Execution Context vs Function Execution Context
The global context is created once at program start and lives until the program ends. A function context is created every time a function is called and is destroyed when it returns.
Exactly one per program. It sits at the bottom of the call stack for the entire lifetime of the script.
No. Variables declared with var inside a function are local to that function's execution context and are not attached to window or globalThis.
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