JSFiddle - React, Tailwind, and code Playground

by mrunali tatkundawar

JavaScript

function Person(first, last, age, gender, interests) {
  this.name = {
    first,
    last
  };
  this.age = age;
  this.gender = gender;
  this.interests = interests;
};

Person.prototype.bio = function() {
  var string = this.name.first + ' ' + this.name.last + ' is ' + this.age + ' years old. ';

  var pronoun;
  if(this.gender === 'male' || this.gender === 'Male' || this.gender === 'm' || this.gender === 'M') {
    pronoun = 'He likes ';
  } else if(this.gender === 'female' || this.gender === 'Female' || this.gender === 'f' || this.gender === 'F') {
    pronoun = 'She likes ';
  } else {
    pronoun = 'They like ';
  }

  string += pronoun;
  if(this.interests.length === 1) {
    string += this.interests[0] + '.';
  } else if(this.interests.length === 2) {
    string += this.interests[0] + ' and ' + this.interests[1] + '.';
  } else {
    for(var i = 0; i < this.interests.length; i++) {
      if(i === this.interests.length - 1) {
        string += 'and ' + this.interests[i] + '.';
      } else {
        string += this.interests[i] + ', ';
      }
    }
  }

  alert(string);
};

Person.prototype.greeting = function() {
  alert('Hi! I\'m ' + this.name.first + '.');
};
Person.prototype.farewell = function() {
  alert(this.name.first + ' has left the building. Bye for now!');
}
var person1 = new Person('Dave', 'Griffiths', 31, 'male', ['football', 'cookery']);


person1.name.first;
person1.interests[0];
person1.bio();
teacher1.greeting();
person1.farewell();