gistfile1.js

var List = function(){
	this.data = [];
	this.add = add;
	this.remove = remove;
	this.count = count;
}

function add(item){
	this.data.push(item);
}

function remove(item){
	for(var i = 0; i < this.data.length; i++){
		if(this.data[i] === item){
			return this.data.splice(i, 1);
		}
	}
}

function count(){
	return this.data.length;
}

module.exports = List;