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JavaScript Object-Oriented JavaScript Getters and Setters Creating Setter Methods

Posted by Hanwen Zhang
Hanwen Zhang
20,084 Points

Inside the major() setter method, set the student's major to a backing property "_major". If the student's level is Juni

Inside the major() setter method, set the student's major to a backing property "_major". If the student's level is Junior or Senior, the value of the backing property should be equal to the parameter passed to the setter method. If the student is only a Freshman or Sophomore, set the "_major" backing property equal to 'None'.

What happened to my code here? ><

creating_setters.js 
class Student {
    constructor(gpa, credits){
        this.gpa = gpa;
        this.credits = credits;
    }

    stringGPA() {
        return this.gpa.toString();
    }

    get level() {
        if (this.credits > 90 ) {
            return 'Senior';
        } else if (this.credits > 60) {
            return 'Junior';
        } else if (this.credits > 30) {
            return 'Sophomore';
        } else {
            return 'Freshman';
        }
    }

  get major(){
    return this._major
  }

  set major(major) {
    this._major = "";
    if (this._level === 'Senior' || 'Junior'){
      return this._major
  } else if (this._level === 'Sophomore' || 'Freshman') {
    return 'None'
  }
}

var student = new Student(3.9, 60);

2 Answers

Peter Vann
Peter Vann
36,427 Points

Hi Hanwen!

This passes:

class Student {
    constructor(gpa, credits){
        this.gpa = gpa;
        this.credits = credits;
    }

    stringGPA() {
        return this.gpa.toString();
    }

    get level() {
        if (this.credits > 90 ) {
            return 'Senior';
        } else if (this.credits > 60) {
            return 'Junior';
        } else if (this.credits > 30) {
            return 'Sophomore';
        } else {
            return 'Freshman';
        }
    }

    set major(major) {
        if (this.level === 'Junior' || this.level === 'Senior') { // If the student's level is Junior or Senior
          // the value of the backing property should be equal to the parameter passed to the setter method
          this._major = major; // ._major being the backing property and major is the parameter passed in
        } else { // Otherwise (i.e.: Freshman or Sophomore)
          this._major = 'None'; // set the "_major" backing property equal to 'None'.
        }
    }
}

var student = new Student(3.9, 60);

I hope that helps.

Stay safe and happy coding!

Hanwen Zhang
Hanwen Zhang
20,084 Points

Hi Peter,

Thank you for the information!!!

Mauricio Hernandez
Mauricio Hernandez
7,208 Points

Thank you sir, God bless you and your family.

Didier Pham
Didier Pham
7,175 Points
Didier Pham
Didier Pham
7,175 Points

at this stage, it it normal to not remember the notions of : if ( === || === ) and have to look back in notes or does should this be anchored in my our minds? Or is this the imposter syndrome kicking in? i didnt even think of using this notion for having to solve the problem...haha I feel i don't remember much of everything i learned. Is it like that for all you guys also?