"Implementing classes with AngularJS: A Step-by-Step Guide

Is there a way to dynamically add a class to the i tag after a button is clicked in AngularJS? 

<button type="button" title="Like" ng-click="countLikes(product.title)" class="btn btn-compare">
   <i class="fa fa-thumbs-o-up"></i>
</button>


 $scope.countLikes = function (e) {
      console.log(e);
  }

I am looking for an output similar to this, where I have added the exampleClass to the i tag

    <button type="button" title="Like" ng-click="countLikes(product.title)" class="btn btn-compare">
   <i class="fa fa-thumbs-o-up exampleClass"></i>
</button>
javascriptangularjs

Answer №1

Implement the ng-class directive

<i class="fa fa-thumbs-o-up" ng-class="{'exampleClass' : buttonClicked}"></i>

$scope.countLikes = function (e) {
      $scope.buttonClicked = true;
      console.log(e);
}

If buttonClicked is true, the i element will receive the exampleClass css class

Answer №2

<button type="button" title="Favorite" ng-click="addFavorite(item.name)" class="btn btn-fav">
   <i class="fa fa-heart-o" ng-class="{'selected': isClicked}"></i>
</button>

$scope.isClicked = false;
$scope.addFavorite = function (name) {
    $scope.isClicked = true;
}

Answer №3

Here is the solution I have come up with

<button type="button" title="Like"  class="btn btn-compare" ng-click="(myLike = myLike === 'fa-thumbs-o-up' ? 'fa-thumbs-up' : 'fa-thumbs-o-up'); countLikes(product.title)";>
    <i class="fa" ng-class="myLike"></i>
</button>

 $scope.myLike = "fa-thumbs-o-up";

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