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AngularJS dynamically call function

Tag: javascript,angularjs

at this point, I'm new to AngularJS.

This works:

scope.$apply(scope.hideTooltip());

But calling the function dynamically does not work:

scope.$apply(
  scope.$eval(attrs.ngEnter, {'event': event})
);

HTML:

<input type="text" ng-model="value" ng-enter="hideToolTip()" />

The enitre directive:

   app.directive('ngEnter', function() {
            return function(scope, element, attrs) {
                console.log(scope.hideTooltip());
                element.bind("keydown keypress", function(event) {
                    if(event.which === 13) {
                        console.log(attrs.ngEnter);
                        scope.$apply(
                            scope.$eval(attrs.ngEnter, {'event': event})
                        );
                        event.preventDefault();
                    }
                });
            };
        });

So, how do I call a function dynamically in an AngularJS directive?

Best How To :

seems like you have missed the argument for the controller method in the HTML

// you have missed the event parameter.

<input type="text" ng-model="value" ng-enter="hideToolTip(event)" />

app.directive('ngEnter', function() {
    return function(scope, element, attrs) {

      element.bind("keydown keypress", function(event) {
        if (event.which === 13) {

          console.log(attrs.ngEnter);
          scope.$apply(
            scope.$eval(attrs.ngEnter, {
              'event': event
            })
          );
          event.preventDefault();
        }
      });
    };
  });

in controller

 $scope.hideToolTip = function(event) {
    console.log(event);
  }

here is the DEMO

P.S. this will call the controller function twice after hitting ENTER since your binding both keydown and keypressevents.

AND Don't forget to remove the console.log(scope.hideTooltip()); line.

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