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Web Development with MongoDB and Node.js

You're reading from   Web Development with MongoDB and Node.js Build an interactive and full-featured web application from scratch using Node.js and MongoDB

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Product type Paperback
Published in Sep 2014
Publisher Packt
ISBN-13 9781783987306
Length 294 pages
Edition 1st Edition
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Author (1):
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Jason Krol Jason Krol
Author Profile Icon Jason Krol
Jason Krol
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Table of Contents (14) Chapters Close

Preface 1. Welcome to JavaScript in the Full Stack 2. Getting Up and Running FREE CHAPTER 3. Node and MongoDB Basics 4. Writing an Express.js Server 5. Dynamic HTML with Handlebars 6. Controllers and View Models 7. Persisting Data with MongoDB 8. Creating a RESTful API 9. Testing Your Code 10. Deploying with Cloud-based Services 11. Single Page Applications with Popular Frontend Frameworks 12. Popular Node.js Web Frameworks Index

View models


Given a single HTML view in our app, we need to be able to attach data to that page so that the template that is being rendered can be included in such a way that the dynamic areas of the page are replaced with real content. To do this, we need to generate a view model. During the render, the template engine will parse the template itself and look for special syntax that indicates that specific sections should be replaced at runtime with values from the view model itself. Think of this as a fancy runtime find and replace of your HTML templates—finding variables and replacing them with values stored in the view model sent to the template.

A view model, in the sense of how we are using one, is typically just a single JavaScript object (or collection of objects in an array) that can be passed to the template-rendering engine that contains all of the necessary data we need to properly render the page. The view model for a page will typically contain all of the data necessary to render...

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