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reto3-melissayauri #12

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50 changes: 50 additions & 0 deletions reto3-melissayauri/app.js
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Original file line number Diff line number Diff line change
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/****** PILAS ******/
class Spotify{
constructor(){
this.elements = [];
}
// agregando elementos a la pila
addSongs(song){
this.elements.push(song);
return this.elements;
}
// quitar el ultimo elemento de la parte superior y a parte lo regresa
lastSong(){
return this.elements.pop();
}
// mostrando el elemento de la parte superior
topSong(){
return this.elements[this.elements.length-1]
}
// Validar si hay al menos una canción
// false = 0 elementos
validateSong(){
return this.elements.length>0;
}
deleteSongs(){
this.elements= [];
}
sizeSongs(){
return this.elements.length;
}
}

const spotify = new Spotify();
console.log(spotify.sizeSongs());
if(!spotify.validateSong()){
spotify.addSongs('la incondicional-Prince Royce');
spotify.addSongs('Mientes tan bien-Sin Bandera');
spotify.addSongs('Baby-Nicky Jam');
console.log(spotify.elements)
// muestra n° 3 al incorporan 3 canciones
console.log(spotify.sizeSongs());
// quita la última canción y lo muestra
let nickyJam = spotify.lastSong();
console.log(nickyJam)
//ahora muestra el elemento quedo en la parte superior
console.log(spotify.topSong());
// ahora eliminaremos todas las canciones
spotify.deleteSongs();
// validaremos que no exista ninguna canción
console.log(spotify.validateSong());
}
12 changes: 12 additions & 0 deletions reto3-melissayauri/index.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<script src="app.js"></script>
</body>
</html>