ng-if check if array is empty

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The API I am working with returns this if there are no items in the array

items: []

If there are items in the array it returns something like

items: [
  {
    name: 'Bla'
  }
]

In my template I believe I need to use ng-if to either show/hide an element based on whether there is data in there or not.

<p ng-if="post.capabilities.items"><strong>Topics</strong>: <span ng-repeat="topic in post.capabilities.items">{{topic.name}}</p>

However I could be totally off base as this is my first time working in Angular, and there may be a much better way to do what I am trying to do.


post.capabilities.items will still be defined because it's an empty array, if you check post.capabilities.items.length it should work fine because 0 is falsy.

ngIf not working properly when array is empty · Issue #22801 , I've been checking the object on each value change, to see if there was being some strange behavior, but the object just responds as expected. This tutorial will provide example of how to check array is empty in angular. i would like to show you angular check if string is empty or null. This article will give you simple example of angular check if object is empty ngif. it's simple example of angular check ngif array is empty.


Verify the length property of the array to be greater than 0:

<p ng-if="post.capabilities.items.length > 0">
   <strong>Topics</strong>: 
   <span ng-repeat="topic in post.capabilities.items">
     {{topic.name}}
   </span>
</p>

Arrays (objects) in JavaScript are truthy values, so your initial verification <p ng-if="post.capabilities.items"> evaluates always to true, even if the array is empty.

Angular Check ngIf Null or Empty, it's simple example of angular check ngif array is empty. Alright, let's dive into the steps. In this post, i will give three examples with checking  Angular check ngIf Array is Empty/isset/Null April 3, 2020 by Pakainfo Today, We want to share with you Angular check ngIf Array is Empty/isset/Null .In this post we will show you Checking for


How to check if array is empty or null or undefined in javascript?, we will use simple if condition and length of array with checking. so we can easily check if array is empty null undefined in javascript. Here i will  If in array will be something it will display it else not. Maybe slight overkill but created library ngx-if-empty-or-has-items it checks if an object, set, map or array is not empty. Maybe it will help somebody. It has the same functionality as ngIf (then, else and 'as' syntax is supported).


Check if an array is empty or not in JavaScript, the number is greater than 0, it evaluates to true. Just for readability created library ngx-if-empty-or-has-items it will check if an object, set, map or array is not empty. Maybe it will help somebody. It has the same functionality as ngIf (then, else and 'as' syntax is supported).


Check if C++ Array is Null, How do you check if an array is empty C++? AngularJs check empty array- It is very simple to check if an array is empty in AngularJs. You can just use the array.length property. Here in this tutorial we are going to explain how you can check if an array is empty. You can use our online demo try and edit the code online.


ng-if check if array is empty, ng-if check if array is empty. Posted by: admin December 12, 2017 Leave a comment. Questions: The API I am working with returns this if there are no items in  Null Check with ngIf. Another very useful application of ngIf is when you need to check if a bound property is null before displaying some of its properties. For example, displaying a box with the users' information wouldn't make much sense if there is no information to display. Normally this would result in an empty box to be shown.