Check if a value is not null and its typeof is object

The isObject function takes a value as its parameter and checks whether it's not null and its typeof is 'object'. It returns true if the condition is satisfied, otherwise it returns false.

In the example, the isObject function is called with three different values: value1, which is null, value2, which is an empty object, and value3, which is a string. The function returns false for value1 and value3 because they don't meet the condition, and true for value2 because it's not null and its typeof is 'object'.

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