foods
una última vez. Si quisiéramos eliminar la clave de las apples
, podemos eliminarla usando la palabra clave delete
así:
delete 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
");'
```