How to check if a scope variable is undefined in AngularJS template?
angularjs, angularjs-ng-show
Solution
Here is the cleanest way to do this:
<p ng-show="{{foo === undefined}}">Show this if $scope.foo === undefined</p>
No need to create a helper function in the controller!
Problem
How to check if a scope variable is undefined? This does not work: ``` <p ng-show="foo == undefined">Show this if $scope.foo == undefined</p> ```