containsKey

containsKey(object, key) → boolean · Object

Alias for hasKey(). Check if an object has a property with the given key name.

• object (required): the object to check

• key (required): property name as string

containsKey($input, "email")             // true
containsKey($input, "phone")             // false
{
  hasEmail: containsKey($input, "email")
}