1. Select video or audio files

<input class="form-control" type="file" id="fileInput" accept=".mp3, .mp4, .ogg, .webm" multiple (change)="createPlaylist($event)">

playlist: any[] = [];
    
createPlaylist = (e: Event) => {
    if (!e || !e.target) return;
    this.playlist.push(e.target.files);
}