MDN’s new design is in Beta! A sneak peek: https://blog.mozilla.org/opendesign/mdns-new-design-beta/

A global variable is a  variable that is declared in the global scope in other words, a variable that is visible from all other scopes.

In JavaScript it is a property of the global object.

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 Contributors to this page: Jeremie, klez, Andrew_Pfeiffer, kscarfone, panaggio
 Last updated by: Jeremie,