shot.js

 $("#captura_").off("submit").on( "submit" , function send(e){

                  if(running)
                    return false;
                  
                   e.preventDefault();
                   e.stopPropagation();
                  
                     $("#error").hide().text("");


                  var url = $("input[name=\"url\"]").val();
                  if( /^www\./.test(url))
                     url = "http://" + url;

                  console.log(url)

                


                  if(!/^(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$/.test(url))
                  {

                     $("#error").text("La url que ingresaste no es correcta").show();
                     return false;

                  }              


                  running = true;
                  $("#over").show();
                  socket.emit("takeshot", {url : url});



     
                   return false;

               
                });


               $("*[data-action=\"shot\"]").on("click", function(e){

                      e.preventDefault();
                      e.stopPropagation();

                      var stateObj = { foo: "bar" };
                      history.pushState(stateObj, "page 2", "s");
                      $("#captura_").trigger("submit");

                      return false;

               });