[javascript] guid 만들기

html

<button type="button" id="btn_create">생성</button>
<input type="text" id="guid" value="" />

css

#guid {
  width:500px;
}

javascript

var _guid = {};
_guid.get = function() {
  return _guid.s4() + _guid.s4() + _guid.s4() + _guid.s4() + _guid.s4() + _guid.s4() + _guid.s4() + _guid.s4();
}
_guid.s4 = function() {
  return Math.floor((1 + Math.random()) * 0x10000)
    .toString(16)
    .substring(1);
}

$('#btn_create').on('click', function(){
    $('#guid').val(_guid.get());
});

demo : jsfiddle link