Loop through properties in JavaScript object with Lodash

Is it possible to loop through the properties in a JavaScript object? For instance, I have a JavaScript object defined as this:

myObject.options = {
  property1: 'value 1',
  property2: 'value 2'
};

Properties will get dynamically added to this object. Is there a way for me to just loop through and do a check if a property exists? If so, how?

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