Salesforce JavaScript Developer Practice Exam

What will the console log output when modifying the greeting property?

1. Hello

2. Hey!

3. undefined

4. ReferenceError

The correct answer is: Hello

When modifying a property like "greeting" in an object, the output to the console will depend on the context in which the property is defined and accessed. If the "greeting" property originally holds a value and is modified correctly before being logged, the output will reflect that value. Assuming that the initial value of "greeting" was set to "Hello" and this property was altered correctly to maintain its original definition and context, when you log the property after modifying it, it will return this value as expected. Therefore, if "greeting" had been kept as "Hello," after any modifications that do not change its value, logging it would still return "Hello." This understanding hinges on correctly managing the scope and the modifications applied to the "greeting" property, ensuring it remains accessible and properly defined within its context.