javascript - Respond to an AJAX request in express -

how send response ajax request , redirecting user without showing him response?

i have been able send data server wasn't able send response javascript file , redirecting user.

if remove redirect(302, '/'), can see json result on browser want send data ajax request , redirect.

routes

var express = require('express'); var url = require('.././models/first.js'); var router = express.router();   router.get('/', function(req,res) {     res.render('index');     res.end(); })  router.post('/add',function(req,res) {      var patt = /(www\.)?[-a-za-z0-9@:%._\+~#=]{2,256}\.[a-z]{2,4}\b([-a-za-z0-9@:%_\+.~#?&//=]*)/g;      var url = req.body.url //this variable gets value      if(patt.test(url) === false) {         res.send({mes: 'invalid'},         res.redirect(302,'/')); // data doesn't reach file.     } else {         res.send({mes: 'okay'},         res.redirect(302,'/'));     }   })  module.exports = router; 

external/static javascript file

$(document).ready(function() {     $('#urlform').submit(function(e) {         var patt = /(www\.)?[-a-za-z0-9@:%._\+~#=]{2,256}\.[a-z]{2,4}\b([-a-za-z0-9@:%_\+.~#?&//=]*)/g;         var url = $("#area").val();         $.ajax({             type: 'post',             datatype: "jsonp",             data: {url: url},             url: 'localhost:7000/add',             success: function(data) {                 $('#url').text(data.url);             }         })     }) }) 

index.jade

extends ../public/layouts/default  block content     #onlydiv         #onlydiv-inside             p paste url below shorten             form#urlform(action='/add', method='post')                 input#area(type='text' name='url', placeholder = 'www.facebook.com', autocomplete = 'off' required)                 input#button(type='submit')             p#url