Tick the checkbox if the Angular function evaluates to true

I'm facing a challenge with checkboxes related to available cars and determining whether they need to be checked based on the user's rented cars.

Essentially, I have an array of all available cars named $scope.cars, and each user has an array called $scope.user.cars. However, I am struggling to execute a function that checks if the user has rented a specific car for each checkbox.

<label ng-repeat="car in cars">
  <input type="checkbox" ng-checked="hasRented({{car}});"> {{car.name}}
</label>

   $scope.hasRented=function(car)
    {
       var x= _.keys($scope.user.cars).contains(car.id);
       return x;
    } 

By the way, I am utilizing the _keys function from underscore.js to extract keys from the $scope.cars-array.

Could someone point out what I might be doing incorrectly?

Thank you,

Thomas

Answer №1

When calling the function within ng-checked, there is no need for interpolation {{ }}:

<label ng-repeat="car in cars">
  <input type="checkbox" ng-checked="hasRented(car)"> {{car.name}}
</label>

   $scope.hasRented=function(car)
    {
       var x= _.keys($scope.user.cars).contains(car.id);
       return x;
    } 

As ng-checked is a directive, the function runs within an angular context by default.

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