Q
How can you delete the age property from the person object?

Answer & Solution

Answer: Option A
Solution:
The delete operator is used to remove a property from an object.
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A). methodName() {}

B). this.methodName = function() {}

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B). class SubClass inherits SuperClass {}

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How do you iterate over all properties of an object var person = {name: 'John', age: 30};?

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