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ammarkhan
Front End Web Development Techdegree Student 21,661 PointsWhy there are variable names Song and song
Watching the video I cannot understand how and why some video have variable named song and some Songs e.g
//app.js
var hereComesTheSun = new Song
and //playlist.js
this.songs = [];
as it becomes newbie like me to understand what is being added to this
Playlist.prototype.add = function() {
this.songs.push(song)
};
1 Answer
Dale Severude
Full Stack JavaScript Techdegree Graduate 71,350 PointsSong with a capitol 'S' is a class used to instantiate one song. songs with a lower-case 's' is a local array which contains Song instances.
The best practice for remembering this is that upper-case letters at the beginning of a name means you are looking at a class and lower-case letters at the beginning of a name are for local variables.