对象声明通过一个开口的花括号，后跟键值对，通过逗号分隔，然后，使用闭口的花括号结束。 > Object declaration begins with an opening curly brace { after which key:value-pairs separated by comma , follow, and which ends in a closing curly brace}. ~~~ { key1:value1, key2:value2, ... keyN:valueN } ~~~ 对象声明更多的细节在匿名结构（第2.5节）中详述。 > Further details of object declaration are described in the section about anonymous structures (2.5).