Hiding content in Angular based on URL parameters: using ng-hide to conditionally display elements

In the process of testing an application, I have a simple request. I want to hide a specific div and only reveal it in the browser when a certain extension is included in the URL. Here's an example:

<div ng-hide="true" class="cookie-banner">
   Warning you about cookies
</div>

To make the hidden div visible, I would like to add ?show=cookie-banner to the url. For instance, a local site such as ../webapp/#/subscribed would not display the hidden div, but ../webapp/#/subscribed?show=cookie-banner would. I'm unsure what step I may be missing to achieve this functionality. Any assistance would be greatly appreciated!

javascriptangularjsng-hide

Answer №1

If you want to control the visibility of elements based on URL in your AngularJS application, you can leverage the power of the angular $location service. This can be done either within a controller or a custom directive that you create.

// Example in a controller
app.controller('SomeController', ['$scope', '$location', 
  function ($scope, $location) { 

    $scope.hideBasedOnUrl =  $location.$$absUrl.indexOf('show=cookie-banner') !== -1;                 

  }]);

// HTML
<div ng-hide="hideBasedOnUrl " class="cookie-banner">
  Warning you about cookies
</div>


// Example with a directive
app.directive("hideBasedOnUrl", function ($location) {
return {
    restrict: "E",
    link: function (scope, element, attrs, ngModelCtrl) {
        if ($location.$$absUrl.indexOf('show=cookie-banner') !== -1){
          element.style.display = "none";
        }   
    }
}
});

// HTML
<div hideBasedOnUrl class="cookie-banner">
  Warning you about cookies
</div>

By using the directive approach, you have the flexibility to pass the URL value as an attribute in the HTML for more advanced customization when hiding the div.

I hope this explanation proves helpful!

Answer №2

It is highly recommended to avoid using your url for passing parameters in Angular. The desired functionality should be handled within a controller.

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