Getters and Setters

The object below has a description property whose value is never stored anywhere. Watch what it prints before and after the model changes.

Toyota Corolla
Toyota Camry
[ 'make', 'model', 'description' ]

The code reads car.description like any other property, with no parentheses, yet the value changes when model changes. The reason is the get keyword. It makes description a property backed by a function. The function runs each time the property is read, and the value that it returns becomes the value of the read. A function of this kind is called a getter.

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