string parameter javascript function

function foo() {
  for (var i = 0; i < arguments.length; i++) {
    console.log(arguments[i]);
  }
}

foo(1,2,3);
//1
//2
//3var btn ="<input type='button' onclick='RoomIsReadyFunc("+ID+","+RefId+",\""+YourString+"\");'  value='Room is Ready' />";

//your javascript function

function RoomIsReadyFunc(ID, RefId, YourString)
{
     alert(ID);
     alert(RefId);
     alert(YourString);
}