List of items displayed in alphabetical order using the ng-repeat directive:-

Question

List of items displayed in alphabetical order using the ng-repeat directive:-

I'm working with an ng-repeat block in the code snippet below. My goal is to have the placeholder [[THE ALPHABET]] render as a, b, c, d representing bullets for the list in their respective order. There will always be 4 values present. What would be the most effective way to achieve this?

<div class="list no-image">
      <label class="item item-radio" ng-repeat="a in question.answer">
      [[THE ALPHABET]]. 
      <div class="item-content">
      {{ a.option }}
      </div>   
      </label>
</div>

The desired outcome should resemble the following.

a. option 1
b. option 2
c. option 3
d. option 4

javascript angularjs angularjs-ng-repeat alphabet

Answer 1

Answer №1

HTML has the capability to handle this on its own:

<ol type="a">

For more information on the type attribute, refer to the MDN documentation for <ol>

Here is an example:

angular.module('test', [])
.controller('MainCtrl', function ($scope) {
  $scope.list = ['asdf','asdfasdf','asdfasdfasdf','adf','asdfsdf'];
  });

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="test" ng-controller="MainCtrl">
  <ol type="a">
    <li ng-repeat="item in list">{{item}}</li>
  </ol>
</div>

Answer 2

HTML has the capability to handle this on its own:

<ol type="a">

For more information on the type attribute, refer to the MDN documentation for <ol>

Here is an example:

angular.module('test', [])
.controller('MainCtrl', function ($scope) {
  $scope.list = ['asdf','asdfasdf','asdfasdfasdf','adf','asdfsdf'];
  });

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="test" ng-controller="MainCtrl">
  <ol type="a">
    <li ng-repeat="item in list">{{item}}</li>
  </ol>
</div>

Answer 3

Answer №2

If you want to create a custom filter, you can do so by following this example:

.filter('numberToAlphabet', function(){
    return function(number){
        return String.fromCharCode(number+97);
    }
})

Once you have defined the filter, you can use it in your code like this:

<div class="list no-image">
      <label class="item item-radio" ng-repeat="a in question.answer">
      {{$index | numberToAlphabet}}. 
      <div class="item-content">
      {{ a.option }}
      </div>   
      </label>
</div>

Here's an Example for reference

Answer 4

If you want to create a custom filter, you can do so by following this example:

.filter('numberToAlphabet', function(){
    return function(number){
        return String.fromCharCode(number+97);
    }
})

Once you have defined the filter, you can use it in your code like this:

<div class="list no-image">
      <label class="item item-radio" ng-repeat="a in question.answer">
      {{$index | numberToAlphabet}}. 
      <div class="item-content">
      {{ a.option }}
      </div>   
      </label>
</div>

Here's an Example for reference

List of items displayed in alphabetical order using the ng-repeat directive:-

Answer №1

Answer №2

Here's an Example for reference

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