Node pagination with express

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I have to build and API as server side, that should provide results in pages of 10 entries, using only Node with express (no other packages).

  • A query parameter p specifies which page to return, starting with 1. If the p parameter is omitted, the default value is 1.
  • If the client side asks for /api/stories?p=1, they should only get 10 stories, starting from the newest one.

  • If p=2, the API must return the second batch of 10 stories. When a page of stories is returned it must be ordered with the most recent story first.

  • If p is greater than the last page number, the API must return the last available page.

  • The page value is the currently returned page. If the requested page p is greater than the last page number, the returned page value will indicate the last page number.

  • The pageCount value is the number of the last non-empty page.*

This is what I have for pagination...

const pageLimit = 10;
app.get('/api/posts', function(req, res) {
    "posts": posts.slice(-pageLimit).reverse(),
    "page": 1,
    "pageCount": Math.ceil(posts.length / 10)

The return is correct as 10 posts per page, 11th, 21st, 31st posts are pushed on 2nd ,3rd page etc... Now my problem comes when I try to advance from page 1 to page 2 (as a next page) nothing happens...

I'm guessing I have to implement something like a a next but I don't have any idea how to do it

Any help would be appreciated...

after scratching my head 2 days, I found a solution that works for me..Thank you num8er for pointing me in right direction...

app.get('/api/posts', (req, res) => {
  const pageCount = Math.ceil(posts.length / 10);
  let page = parseInt(req.query.p);
  if (!page) { page = 1;}
  if (page > pageCount) {
    page = pageCount
    "page": page,
    "pageCount": pageCount,
    "posts": posts.slice(page * 10 - 10, page * 10)

express-paginate, Node.js pagination middleware and view helpers. paginate. This creates a new instance of express-paginate . Create Pagination with Node.js, MongoDB, Express.js and EJS Step by Step from Scratch. In this article I'll tell about how to make pagination using Node.js, MongoDB, Express.js, EJS and Bootstrap from scratch. We will create new database, declare data collection, fill this collection with data and output contents to page with pagination.

Check this out:

app.get('/api/posts', (req, res) => {
  const postCount = posts.length;
  const perPage = 10;
  const pageCount = Math.ceil(postCount / perPage);

  let page = parseInt(req.query.p);
  if(page < 1) page = 1;
  if(page > pageCount) page = pageCount;

  const from = postCount - ((page - 1) * perPage) - 1; // ex.: 44 - ((1 - 1) * 10) -1 = 43 (44 is count, 43 is index)
  let to = postCount - (page * perPage); // ex.: 44 - (1 * 10) = 34
  if(to < 0) to = 0;

    posts: posts.slice(from, to).reverse(),

P.S. If posts array retrieved from database - I strongly recommend to use database powers to retrieve necessary data. Otherwise retrieving thousands of page and then slicing array to 10 items is will result with performance issues.

expressjs/express-paginate: Paginate middleware, express-paginate. NPM Version NPM Downloads Build Status Test Coverage MIT License Slack. Node.js pagination middleware and view helpers. Looking for​  In this article, I’ll show you how to create pagination with node js , MongoDB, Express.js, EJS, and Bootstrap.We will generate a new database, define data collection, fill this collection with information and display contents to the page using pagination.

export default (limit, offset, count) => {
  const pageData = {};
  limit = limit > count ? count : limit;
  offset = offset > count ? count : offset; = Math.floor(offset / limit) + 1;
  pageData.pageCount = Math.ceil(count / limit);
  pageData.pageSize = Number(limit);
  pageData.totalCount = count;

  return pageData;

Back-End pagination with NodeJS, ExpressJS, MongoDB , Embedded JavaScript Templates (EJS) - View Engine. Aside of these essentials, i am using express router for better code readability and  Doing project on your own to improve your skill? Need to implement pagination? And perhaps struggling to find, what is the best way to implement a pagination. In this article, i will be showing you how to implement pagination on back-end. We will be using next stack: NodeJS - JavaScript Run Time Environment; ExpressJS - NodeJS Framework

You are almost there. You are missing a part, here's a practical example:

let records = [
  1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
let pageSize = 5;

function paginate(page = 1) {
    //when page is 1, we go from index 0 to index 4 
    //that's the first 5 records.
    return records.slice(pageSize * (page - 1), pageSize * page);


Node pagination with express, after scratching my head 2 days, I found a solution that works for me..Thank you num8er for pointing me in right direction app.get('/api/posts',  Today, we are going to learn Server Side pagination and we are storing data in MongoDB and paginating it using API’s built-in Nodejs. If you are new to Node and Express then you won’t regret taking our Node course. It’s FREE! Prerequisites. Make sure you have Nodejs version 6+ and MongoDB latest installed.

Node pagination with sequelize client needs to provide page and pageSize const page = 1 const pageSize = 2 const offset = page * pageSize const limit = offset + pageSize return model .findAll({ attributes: [], include: [{}], limit, offset }) .then((tasks) => res.status(200).send(tasks)) .catch((error) => { console.log(error); res.status(400).send(error); });

What is pagination?, This approach allows the client to supply two query parameters in the request: page and limit. Page refers to the current page you are requesting. When you use the paginate middleware, it injects a view helper function called hasNextPages as res.locals.hasPreviousPages, which you can use in your views for generating pagination <a>'s or <button>'s – if the function is executed, it returns a Boolean value (representing if the query has another page of results)

How to paginate with Mongoose in Node.js?, also refers to the automated process of adding consecutive numbers to identify the sequential order of pages. In command line type the command below npm install express-generator -g. express framework is installed. Now using express we are going to create and generate an application skeleton. Run the command below. $ express –view=jade paginationapp. This will create a NodeJS application structure in a directory paginationapp.

What exactly is server and client side pagination?, takes a number of parameters from the user (current page #, ordering, etc) and performs whatever search required to get just the relevant records. These are sent to the client, along with links to more pages, etc. Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications. APIs With a myriad of HTTP utility methods and middleware at your disposal, creating a robust API is quick and easy.

Create A Paginated API With Node.js - Complete Tutorial, Pagination is one of the easiest ways to increase the performance of Create A Paginated API Duration: 23:21 Posted: 17 Sep 2019 You could try something like that (assuming you use Express 4.x). Use GET parameters (here page is the number of page results you want, and npp is the number of results per page). In this example, query results are set in the results field of the response payload, while pagination metadata is set in the pagination field.

  • upvoted! since you are returning json response i had to ask a question, if the person changes the data in the url and hits enter, how do you prevent them from seeing raw json on the screen
  • easiest and simple way I came across!
  • no is just a test file with in-memory. No db involved....your solution is nearly what I need. Just try to figure out how to tweak because is trow some error as "ReferenceError: pages is not defined".
  • @Gallex fixed, my fault
  • @Gallex fixed according correct size of posts count to not get out of bounds