What will be the firstname and surname of the following JavaScript program? var book = { "main title": "JavaScript", 'sub-title': "The Definitive Guide", "for": "all audiences", author: { firstname: "David", surname: "Flanagan" } };

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Question:What will be the firstname and surname of the following JavaScript program? var book = { "main title": "JavaScript", 'sub-title': "The Definitive Guide", "for": "all audiences", author: { firstname: "David", surname: "Flanagan" } };

1.objects

2.property names

3.properties

4.property values

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  1. What will be the firstname and surname of the following JavaScript program? var book = { "main title": "JavaScript", 'sub-title': "The Definitive Guide", "for": "all audiences", author: { firstname: "David", surname: "Flanagan" } };
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