Training days is a service program that sends you a message for the event you signed up for and the days you have left to train. In this project I made Training Days more maintainable and less error-prone by fixing variable scopes.

Training Days JavaScript Project.js

/*

Training days is a service program that sends you a message for the event you signed up for and the days you have left to train.

In this project I made Training Days more maintainable and less error-prone by fixing variable scopes.

*/

// The scope of `random` is too loose 
//const random = Math.floor(Math.random() * 3);//defined with global scope

const getRandEvent = () => {
  const random = Math.floor(Math.random() * 3);
  if (random === 0) {
    return 'Marathon';
  } else if (random === 1) {
    return 'Triathlon';
  } else if (random === 2) {
    return 'Pentathlon';
  }
};

// The scope of `days` is too tight 
const getTrainingDays = event => {
 var days;
  if (event === 'Marathon') {
    days = 50;
  } else if (event === 'Triathlon') {
    days = 100;
  } else if (event === 'Pentathlon') {
    days = 200;
  }

  return days;
};

// The scope of `name` is too tight 
name = 'Nala';
const logEvent = (name,event) => {
  
  console.log(`${name}'s event is: ${event}`);
};

const logTime = (name,days) => {
  
  console.log(`${name}'s time to train is: ${days} days`);
};

const event = getRandEvent();
const days = getTrainingDays(event);
// Define a `name` variable. Use it as an argument after updating logEvent and logTime 

//Functions for another competitor.
logEvent(name,event);
logTime(name,days);
const event2 = getRandEvent();
const days2 = getTrainingDays(event2);
const name2 = 'Warren';

logEvent(name2, event2);
logTime(name2, days2);