AngularJS: ng-show causing flickering issue upon page refresh

Recently, I encountered an issue with my code snippet:

<body>
    <ng-view></ng-view>
    <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.4.7/angular.js"></script>
    <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.7/angular-animate.js"></script>
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.7/angular-route.js"></script>
    <script src="https://raw.githubusercontent.com/ftlabs/fastclick/master/lib/fastclick.js"></script>
    <script src="js/services.js"></script>
    <script src="js/router.js"></script>
    <script src="js/interceptor.js"></script>
    <script src="js/controller.js"></script>
    <script src="js/app.js"></script>    
</body>

The content loaded in ng-view looks something like the following:

<ng-include src="'templates/navigation.html'"></ng-include>
<ng-include src="'templates/head-bar.html'"></ng-include>
<div id="main">
    <h2>{{ controller.var }}</h2>
    <div ng-show="!controller.othervar" ng-cloak>Text..</div>
</div>

However, upon page reload, the ng-show element sometimes flickers (briefly shown).

Attempts at Resolution

I have made various attempts to address this issue:

  • adding the ng-cloak tag
  • including the CSS code from the documentation in my stylesheet
  • embedding the CSS code from the documentation in my index.html (head-tag)
  • trying different placement of script-tags (e.g., moving them into the head section)
  • testing the application in alternative browsers (such as Firefox and Safari)

Answer №1

In the documentation, it suggests adding a CSS rule to hide content based on the ng-cloak attribute:

   [ng\:cloak], [ng-cloak], .ng-cloak {
       display: none;
   }

A similar technique is used on the "Built with Angular" website, and you can check out the source code on Github here: https://github.com/angular/builtwith.angularjs.org

I hope this information is helpful!

Answer №2

I finally solved the issue. It turned out that it wasn't related to ng-cloak as I initially thought.

The problem was with how the variable for showing/hiding was being set in a $http response. By hiding it when the variable is undefined, I was able to resolve the issue.

Appreciate the help from everyone who provided solutions.

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