text: require(["utils/add", "../vendors/jquery/1.12.4/jquery.min"], function(add) {
      $("#tip").html("hello require.js,function test.");
      $("#add").bind("click", function() {
          var x = $("#x").val();
          var y = $("#y").val();
          var sum = add.Add(x, y);
          $("#tip").show().html("sum = " + sum);
          $("#z").val(sum);
      });
  });
  