RestBugs Bug JavaScript Object

gistfile1.js

function Bug(title, description) {
	var self = this;
	this.title = title;
	this.description = description;
	this.assignedTo = '';
	this.status = '';
	this.history = [];

	function addToHistory(comments, stateChanges){
		self.history.push({
			addedOn: new Date(),
			comments: comments,
			changes: stateChanges
		});
	};

	function updateStatus(status, comments){
		self.status = status;
		addToHistory(comments, {status : self.status});
	};

	this.activate = function(comments){
		updateStatus('Working', comments);
	};

	this.resolve = function(comments){
		updateStatus('QA', comments);
	};

	this.close = function(comments){
		updateStatus('Done', comments);
	};

	this.toBacklog = function(comments){
		updateStatus('Backlog', comments);
	};

	this.toBacklog("created");
};