JavaScript nuance Method question

Hi All,

I am really trying to get an in depth understanding of OOP JavaScript.  I found this article with the code below.

unction User (theName, theEmail) {
    this.name = theName;
    this.email = theEmail;
    this.quizScores = [];
    this.currentScore = 0;
}
​
User.prototype = {
    constructor: User,
    saveScore:function (theScoreToAdd)  {
        this.quizScores.push(theScoreToAdd)
    },
    showNameAndScores:function ()  {
        var scores = this.quizScores.length > 0 ? this.quizScores.join(",") : "No Scores Yet";
        return this.name + " Scores: " + scores;
    },
    changeEmail:function (newEmail)  {
        this.email = newEmail;
        return "New Email Saved: " + this.email;
    }
}

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My question is about the methods created for the constructor, 'showNameAndScores', 'saveScore' and 'changeEmail'.

Lets look at 'showNameAndScores' as an example.

user.prototype.getProperty showNameAndScores = function() //takes a string propertyName. returns that property.
{
        var scores = this.quizScores.length > 0 ? this.quizScores.join(",") : "No Scores Yet";
        return this.name + " Scores: " + scores;
}

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vs.

    showNameAndScores:function ()  {
        var scores = this.quizScores.length > 0 ? this.quizScores.join(",") : "No Scores Yet";
        return this.name + " Scores: " + scores;
    },

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