Quick Tip - 15: How to Fix ng-cloak Flicker in AngularJS

April 18, 2014 | 1 Minute Read

The ng-cloak directive was added to Angular in order to prevent the flickering of elements before your application has fully loaded. It then removes ng-cloak once it has had a chance to compile your views. However, there is still a flicker issue that occurs between when the view is first loaded and before Angular has had a chance to run.

How ng-cloak Works

The way that ng-cloak works is to add display: none !important to items using it. The following code comes directly from the angular.js source file:

.x-ng-cloak {
  display: none !important;

So, What’s the Problem?

The problem is that the style used to hide these items is included in the JavaScript file which takes a second to initialize. In this time period the CSS will not be parsed by the browser.

The Fix

It is only a brief flicker but it is still undesired. Fortunately the fix is a very simple one. All you need to do is add the above CSS somewhere in your application stylesheet. That’s all there is to it.

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