The parentheses indicate to the Rhino interpreter that I'm invoking a function rather than simply referring to a property of the object.
圆括号告诉Rhino解释器我正在调用一个函数，而不是简单地引用一个对象的属性。
The parentheses indicate to the Rhino interpreter that I'm invoking a function rather than simply referring to a property of the object.
圆括号告诉Rhino解释器我正在调用一个函数，而不是简单地引用一个对象的属性。
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