Beginner Exercism • javascript

Beer Song

Challenge Overview

Recite the lyrics to that beloved classic, that field-trip favorite: 99 Bottles of Beer on the Wall.

💡 View Solution

export class BeerSong {
  static recite(initialBottles, takeDown) {
    const verses = [];
    for (let i = 0; i < takeDown; i++) {
      const n = initialBottles - i;
      if (n === 0) {
        verses.push("No more bottles of beer on the wall, no more bottles of beer.\nGo to the store and buy some more, 99 bottles of beer on the wall.\n");
      } else if (n === 1) {
        verses.push("1 bottle of beer on the wall, 1 bottle of beer.\nTake it down and pass it around, no more bottles of beer on the wall.\n");
      } else if (n === 2) {
        verses.push("2 bottles of beer on the wall, 2 bottles of beer.\nTake one down and pass it around, 1 bottle of beer on the wall.\n");
      } else {
        verses.push(`${n} bottles of beer on the wall, ${n} bottles of beer.\nTake one down and pass it around, ${n - 1} bottles of beer on the wall.\n`);
      }
    }
    return verses.join('\n');
  }
}