Questions tagged [angular-ng-if]

The 'ngIf' directive is a crucial feature in Angular that allows you to control the visibility of an element within the DOM. It is important to note that this tag should not be used for the 'ng-if' directive in previous versions of AngularJS.

Concealing option value based on ng-if conditions in AngularJS: A guide

I am designing an Input form with two input fields that need to be compared and values displayed if a certain condition is met. The input fields are: <td class="td_label"><label>Client Age :</label></td> <td class="td_input"> ...

Why am I struggling to show the success message on my basic CRM Angular web application?

I'm facing an issue in my Basic Angular app where the success message is not being displayed even after writing the correct code. 1)app.component.html <h1 class="c1">{{title}}</h1> <div *ngIf="success_msg;" style=&q ...

Is it possible to pass an AngularJS ng-form object as a parameter in ng-if?

When I try to preview, the save button in my preview mode remains enabled. You can view the code snippet here: http://plnkr.co/edit/I3n29LHP2Yotiw8vkW0i I believe this issue arises because the form object (testAddForm) is not accessible within the ng-if s ...

Ways to employ a Hyphen(-) to connect two strings within an ngIf condition in Angular 9

I'm dealing with an IF condition in HTML that checks for permission to access a specific page: *ngIf="permission?.product-report?.list_product_report" The name "product-report" is static and directly used in the condition. However, when I t ...

Tips for preventing the creation of an element in AngularJS

When working with Angular, I encountered an issue with creating an <iframe> element only upon user interaction. Initially, I simply placed the element on the page and used the ng-if directive to bind its presence to a boolean in my model. However, I ...

Creating divs dynamically in a loop and displaying them upon clicking a button in Angular

I am trying to dynamically create divs in a loop and show the selected div when I press a specific button. In theory, this is how I envision it... <div>div1</div><button (click)="showDiv(divID)">showDIV</button> To hide a ...

To subscribe to the display of [Object Object], you cannot use an *ngIf statement without being inside an *ngFor loop

In my angular Quiz project, I have a functionality where every user can create quizzes. I want to display all the quizzes that a logged-in user has completed. Here is how I attempted to achieve this: // Retrieving user ID and category ID inside Re ...

Updating a label dynamically in Angular

QUESTION: Is there a way to dynamically change the text of a label based on a certain condition? Specifically, I want the label to be blank when I'm on a specific route in my App. CURRENT APPROACH: <RadSideDrawer allowEdgeSwipe="fal ...

How to check all checkboxes in Angular using ngFor and ngIf?

Is there a way to select all checkboxes in an Angular form that uses ngFor and ngIf? I want to activate all checkboxes for the months when I click on "Select All". The list of months is stored in an array. Click here to see the HTML representation of the ...

Displaying Child Component in Parent Component After Click Event on Another Child Component: How to Implement Angular Parent/Children Click Events

After delving into Angular 7 for a few weeks, I find myself faced with the challenge of toggling the visibility of a child component called <app-child-2> within a Parent component named <parent>. This toggle action needs to be triggered by a cl ...

Using ngIf to validate an empty string in Angular 5

I need assistance with validating an empty string retrieved from a server Although it is usually straightforward, it's just not working as expected <div class="ui-g-2 info-txt" *ngIf="appointment.Notes !==null || appointment.Notes !== ''"&g ...

ng-if directive in AngularJs will not function properly if the condition text includes a space

I encountered an issue while attempting to set values in AngularJS UI grid based on the row.entity values. To address this, I created a cellTemplate that evaluates the row values and applies text styling accordingly. Code Snippet var statusTemplate=&apos ...

Encountering an error of ExpressionChangedAfterItHasBeenCheckedError while trying to refresh the

I'm encountering an issue that I need help with: https://i.stack.imgur.com/4M54x.png whenever I attempt to update the view using *ngIf to toggle on an icon display. This is what my .ts file looks like: @Component({ selector: 'app-orders', templa ...

How to conditionally apply a directive to the same tag in Angular 4

I am implementing angular 4 and have a directive in my template for validation purposes. However, I would like to first check if a specific condition is true before applying the directive. Currently, my code looks like this: <div *ngIf="groupCheck; els ...

angular ng-if not functioning properly

My Perspective: <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"> @Styles.Render("~/Content/css") @Styles.Render("~/Content/dropdownh ...

Trigger an event when an Angular template's *ngIf condition is met

Let's say I am using the Angular directive *ngIf to display a user object like so: <div *ngIf="user$ | async as user" class="container"> <p>{{user.name}}</p> </div> Is there a method where I can trigger some code once this ...

The ng-if directive seems to be causing issues within an ng-repeat loop when used in conjunction with bind-html

Below is the code I am using to bind html in my webpage: <div bind-html-compile="menuButtonView"></div> This is the code in my controller: dashboardService.getTemplateMetaData(data.templateCategory) .success(function(data) { console.lo ...

Impact of using ngIf in ngAfterViewInit

During the ngAfterViewInit lifecycle hook, I am triggering an event and capturing it in another component using ComponentRef. Everything functions smoothly until I incorporate ngIf in the parent component. What impact does ngIf have on Angular's life cycl ...

Error encountered while rendering ngMessages error in AngularJS due to ngif markup issue

I am currently utilizing ngMessages to validate a dynamically generated form using ngRepeat. While ngMessages is functioning as expected, I want the validation error messages to only display when the submit button is clicked. To accomplish this, I am emplo ...

Child component is not rendering *ngIf despite using @Import property

I am currently working with the shared-components module. This module is exported by the app.module and then imported into the module where I intend to use it. Within the shared-components module, there is a component that should render based on three *ngI ...

obtain direct access to the $scope variable when using ng-if

Is there a more effective way to access scope created by ng-if in my directive without using $parent.params.text? <span ng-if="params" uib-tooltip="{{params.text}}"></span> .directive('myDirective', functions(){ return { templateUr ...

Enhance your loader functionality by dynamically updating ng-repeat using ng-if

To better illustrate my issue, here is a link to the fiddle I created: https://jsfiddle.net/860Ltbva/5/ The goal is to show a loading message while the ng-repeat loop is still loading and hide it once all elements have been loaded. I referenced this help ...

ways to verify ng-if post modification occurrence

Currently, my project is utilizing Angular 6. In the code, there is a div element with *ng-if="edited" as shown below: <div *ngIf="edited"> {{langText}} </div> Initially, when the page loads, edited is set to false and the div is not vis ...

The inefficiency of Angular's ng-show directive when used with an empty string

I am developing a web application using AngularJS. The user submits a maximum of 3 keywords to the server. My objective is to display commas between the keywords, but only if there are enough keywords. Take a look at the following examples: If there are ...

If a particular class is present on an element

Is it feasible to set an ng-if directive to true based on the presence of a specific class in an element? For example: <div class="edge" ng-repeat="item in items"> <div ui-view ng-if="(ng-repeat div has class of edge)" ...

Issue with ng-checked causing ng-model value not to initialize correctly in AngularJS when the page loads

Recently, I've delved into the world of angularJS and decided to experiment with ng-model, ng-checked, and ng-if in relation to radio buttons <html> <head> <title>Testing Angular JS Radio Buttons</title> </head> < ...

Angular: Smooth transitions for ngif animations - Learn how to animate ngif elements seamlessly as one element is removed from the DOM

Is there a way to delay the execution of ngIf? I have a scenario where elements in a parent component fade out and are removed from the DOM using ngIf, followed by elements from a child component coming in. However, I am facing an issue with elements overl ...

Leverage ngFor multiple times to iterate through the same array

As someone new to Angular and Ionic, I've scoured the internet (including this site) for a solution to my problem without much luck. My goal is to have a single array of tasks in my ts component and display them in four different sections of my html templa ...

What could be the reason my ng-if is not functioning properly? The div is not being hidden as expected

How can I make a div in my Angular app appear if a variable is true and disappear if it is false? I've tried implementing the functionality, but it doesn't seem to be working correctly. You can view my code on JSFiddle. Could someone help me un ...