foods una última vez. Si quisiéramos eliminar la clave de las apples , podemos eliminarla utilizando la palabra clave delete siguiente manera: eliminar foods.apples;
oranges , plums y strawberries del objeto de foods . foods solo tiene tres claves: apples , grapes y bananas'
testString: 'assert(!foods.hasOwnProperty("oranges") && !foods.hasOwnProperty("plums") && !foods.hasOwnProperty("strawberries") && Object.keys(foods).length === 3, "The foods object only has three keys: apples, grapes, and bananas");'
- text: 'Las claves de oranges , plums y strawberries se eliminan usando delete'
testString: 'assert(code.search(/oranges:/) !== -1 && code.search(/plums:/) !== -1 && code.search(/strawberries:/) !== -1, "The oranges, plums, and strawberries keys are removed using delete");'
```