[Javascript] javascript uuid / 자바스크립트 UUID 생성 / 랜덤아이디 생성

generateUUID: function () {
		var d = new Date().getTime();
		var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
			var r = (d + Math.random()*16)%16 | 0;
			d = Math.floor(d/16);
			return (c=='x' ? r : (r&0x7|0x8)).toString(16);
		});
		return uuid;