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Performs a deep comparison between two values to determine if they are equivalent.
Check if the two values are identical, if they are both
Date objects with the same time, using
Date.getTime() or if they are both non-object values with an equivalent value (strict comparison).
Check if only one value is
undefined or if their prototypes differ.
If none of the above conditions are met, use
Object.keys() to check if both values have the same number of keys, then use
Array.prototype.every() to check if every key in the first value exists in the second one and if they are equivalent by calling this method recursively.