Dot after function eg: function Player() -> Player.list = {}?

Question

JavaScript

What does it mean?

For example:

function Player(){
    let self = {x:0, y:0, spdX:0, spdY:0, id:""};
    
    Player.list[self.id] = self;
    return self;
}

Player.list = {};

Answer 1

in js functions these are objects, therefore they can be set properties, which is done in the example