You can give it a name (that is, a class name), specify parameters (as in a constructor), and even use the .this keyword, which basically means referencing a variable within the scope of the function.

可以给其一个名称（也就是一个类名），指定参数（和在构造函数中一样），甚至可以使用关键字 .this，这意味着在函数范围内引用变量。

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It also has a quick word look-up function, for referencing unknown words.

它还具有快速单词的查找功能，用于引用未知的话。

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