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Javascript-这些构造函数之间有什么区别?

[英]Javascript - What is the difference between these constructor functions?

此构造函数之间的区别是什么:

    var Person = function(living, age, gender) {
        this.living = living;
        this.age = age;
        this.gender = gender;
        this.getGender = function() {return this.gender};
    }

还有这个:

    var Person = function Person(living, age, gender) {
        this.living = living;
        this.age = age;
        this.gender = gender;
        this.getGender = function() {return this.gender;};
    };

除了构造函数被“命名”之外,什么都没有。 对于#1, Person.name将评估为空字符串,对于#2, Person.name将评估为"Person"

name属性将在function Person(...)

您可以尝试以下方法来查看

var bar = function eigor(){}

然后查看什么是bar.name

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