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Building Single-page Web Apps with Meteor

You're reading from   Building Single-page Web Apps with Meteor Build real-time single page apps at lightning speed using the most powerful full-stack JavaScript framework around

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Product type Paperback
Published in Jan 2015
Publisher
ISBN-13 9781783988129
Length 198 pages
Edition 1st Edition
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Author (1):
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Fabian Vogelsteller Fabian Vogelsteller
Author Profile Icon Fabian Vogelsteller
Fabian Vogelsteller
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Table of Contents (15) Chapters Close

Preface 1. Getting Started with Meteor 2. Building HTML Templates FREE CHAPTER 3. Storing Data and Handling Collections 4. Controlling the Data Flow 5. Making Our App Versatile with Routing 6. Keeping States with Sessions 7. Users and Permissions 8. Security with the Allow and Deny Rules 9. Advanced Reactivity 10. Deploying Our App 11. Building Our Own Package 12. Testing in Meteor A. Appendix Index

Querying a collection


The server did restart when we saved our changes. At this point, Meteor added five post examples to our database.

Note

If the server didn't restart, it means that we made a mistake in the syntax somewhere in our code. When we manually reload our browser or check out the terminal, we will see the error that Meteor gives us and we can fix it.

In case we messed up something in the database, we can always reset it using the $ meteor reset command in the terminal.

We can see these posts by simply opening up the console in our browser and typing the following command:

Posts.find().fetch();

This will return an array with five items, each of them being one of our example posts.

To list these newly inserted posts in our front page, we need to replace the content of our postsList helper in the home.js file with the following lines of code:

Template.home.helpers({
  postsList: function(){
    return Posts.find({}, {sort: {timeCreated: -1}});
  }
});

As we can see, we returned the collections...

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