AngularJS - a custom directive for toggling self-removal and reinsert

I'm currently working on a directive that allows me to control certain elements in the DOM based on user permissions. I recently discovered the .remove() function which works really well for removing elements.

However, my issue arises when the user's permissions change and I need to show the DOM element again after it has been removed using .remove(). Any ideas on how I can achieve this?

Below is a snippet of my code:

ddo.link = function(scope, el, attrs){

    // Validate the permission
    if( currentUserService.isAllowed(scope.validatePermission) !== true) {
        el.remove();
    }

    // Listener for changes
    $rootScope.$on("eventName", function(event, param){

        // Validate the permission
        if( currentUserService.isAllowed(scope.validatePermission) !== true) {
            el.remove();
        } else {
            // SHOW THE ELEMENT AGAIN!
        }

    });

};

Alternatively, are there any other methods to remove and insert HTML elements? Using CSS alone can be vulnerable as users can disable it through the Developer console...

Thank you in advance!

Answer №1

Instead of utilizing .remove(), consider implementing .addClass() and .removeClass() to add a class with the style attribute display:none, which can then be removed as needed. Using .remove() will permanently delete the display element, making it impossible to show again.

Another option is to use .css(), although this method may result in slower processing compared to others.

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