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From the MDN article on delete (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/delete): ------------ delete is only effective on an object's properties. It has no effect on variable or function names. While sometimes mis-characterized as global variables, assignments that don't specify an object (e.g. x = 5) are actually property assignments on the global object. ------------ Updating the answers to properly reflect this.
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From the MDN article on delete (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/delete):
delete is only effective on an object's properties. It has no effect on variable or function names.
While sometimes mis-characterized as global variables, assignments that don't specify an object (e.g. x = 5) are actually property assignments on the global object.
Updating the answers to properly reflect this.