Issue with AngularJS toggle being obstructed by Math operation

I am facing an issue with my table rows where cells are being filled with words from an API. I have implemented a feature that allows users to toggle the selection of a cell. To achieve this, I am using ng-class={selected:toggle} and ng-click="toggle = !toggle" in my code.

Markup

<tr ng-repeat="row in game.rows">
  <td id="row-{{$parent.$index+1}}-col-{{$index+1}}" ng-repeat="word in row.words" ng-class={selected:toggle} ng-click="toggle = !toggle"><div class="points">{{generateRandomPoints()}}</div>{{word}}</td>
</tr>

In order to assign random points to each cell using a Math function (

<div class="points">{{generateRandomPoints()}}</div>
), I have added the following JavaScript logic:

JavaScript

$scope.generateRandomPoints = function(){
  return Math.floor((Math.random()*5)+2);
};

However, I seem to be encountering issues with the toggling functionality because of this Math function. Additionally, each click on a cell results in the regeneration of random numbers through the Math function.

Can anyone provide insights into why the toggling feature is not working as expected?

javascriptangularjs

Answer №1

Your generateRandomPoints function seems to be breaking through the local scope of your repeated element. One solution is to define a function like this:

$scope.toggle(index) {
    game.rows[index].toggle = !game.rows[index].toggle;
}

Then, you can call it using ng-click="toggle($index)".

For more information on ngRepeat, check out the full documentation here.

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