Objects are created by invoking special constructor functions.
对象是通过调用特殊的构造函数创建的。
Explains how to use constructor functions to create objects with properties and methods.
解释如何使用构造函数创建具有属性和方法的对象。
Constructor functions which must be used with the new prefix should start with a capital letter.
必须与new共同使用的构造函数名应以大写字母开头。
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