EmberJS-Components Customizing Class Names

Quiz

Description

You can specify the class names to a component's element by setting its classNames property, in the Ember.Component class as an array of strings.

Syntax

Ember.Component.extend({
   classNames: ['Class Name']
});

Example

<!DOCTYPE html>
<html>
   <head>
      <title>Emberjs Customizing Class Names</title>
      <!-- CDN's -->
      <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/3.0.1/handlebars.min.js"></script>
      <script src="https://code.jquery.com/jquery-2.1.3.min.js"></script>
      <script src="https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.10.0/ember.min.js"></script>
      <script src="https://builds.emberjs.com/tags/v1.10.0-beta.3/ember-template-compiler.js"></script>
      <script src="https://builds.emberjs.com/release/ember.debug.js"></script>
      <script src="https://builds.emberjs.com/beta/ember-data.js"></script>
   </head>
   <body>
      <script type="text/x-handlebars" data-template-name="application">
         <h3>Customizing the class names using 'classBindings'</h3>
         {{#each}}
            {{my-tag title=title isChecked=isChecked}}
         {{/each}}
      </script>

      <script type="text/x-handlebars" data-template-name="components/my-tag">
         {{input type="checkbox" checked=isChecked}} {{title}}
      </script>

      <script type="text/javascript">
         App = Ember.Application.create();

         //myvalues is an array
         myvalues = [
            {
               title: "Tutorialspoint",
               //displays checked checkbox
               isChecked: true
            },{
               title: "Simple easy learing",
               //displays uncheked checkbox
               isChecked: false
            }
         ];

         App.ApplicationRoute = Ember.Route.extend({
            model: function() {
               //return the array values
               return myvalues;
            }
         });

         App.MyTagComponent = Ember.Component.extend({
            //specifying the class name as 'isChecked'
            classNameBindings: ['isChecked']
         });
      </script>
   </body>
</html>

Output

Let's carry out the following steps to see how above code works −

Save above code in comp_cust_clss_name.htm file
Open this HTML file in a browser.

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