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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

Displaying data with template helpers


Each template can have functions, which are called template helpers, and they can be used inside the template and child templates.

In addition to our custom helper functions, there are three callback functions that are called when the template is created, rendered, and destroyed. To display data with template helpers, perform the following steps:

  1. To see the three callback functions in action, let's create a file called home.js and save it to our my-meteor-blog/client/templates/ folder with the following code snippet:

    Template.home.created = function(){
      console.log('Created the home template');
    };
    Template.home.rendered = function(){
      console.log('Rendered the home template');
    };
    
    Template.home.destroyed = function(){
      console.log('Destroyed the home template');
    };

    If we now open the console of our browser, we will see the first two callbacks are being fired. The last one will only fire if we dynamically remove the template.

  2. To display data in the home...

You have been reading a chapter from
Building Single-page Web Apps with Meteor
Published in: Jan 2015
Publisher:
ISBN-13: 9781783988129
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