How to set a class only to specific elements when using *ngFor?

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I am using *ngFor to list table data: *ngFor="let record of records", and I want to set custom css class to record based on some conditions, f.e. if record.name === something. Is this possible?

you can try this way :

  <ul class="r " *ngFor="let posto of posti">
    <li [ngClass]="posto.id === something ? NewClass : oldclass" >
     {{Something.id}} 
    </li>
  </ul>

Angular ngFor, ng-template and the compiler, We'll also be exploring some other under-the-hood properties of ngFor , as well as looking at how Angular expands our ngFor to a <ng-template> element and In this section, we'll be taking a look at the feature-set ngFor provides, we're creating a context called contact , using a “for of” loop - just like in  This will add a CSS class named first to the first element of the list, and a CSS class named last to the last element of the list: How does ngFor work when we add or remove elements from the list? As the input list gets modified, ngFor will try to avoid to constantly create and destroy the DOM elements of the list, as this is an expensive

Yes, you on [ngClass] to achieve this, for example:

<div [ngClass]="{'record': record.name === 'something' }" *ngFor="let record of records">

Displaying data in views, Together, a component's class and template form a view of your application Use the CLI command ng new displaying-data to create a workspace and The *ngFor in the <li> element is the Angular "repeater" directive. Sometimes an app needs to display a view or a portion of a view only under specific circumstances. Using ngFor to render an array. This is exactly what ngFor can do for us. All we need to do is to tell the directive, which array to use. Let's say we have a component that we call example-component. This component has a property that is an array. That array could be static and look like the array above or could be filled at runtime.

<tr *ngFor="let record of records">    
  <td [ngClass]="record.name === 'something' ? 'classForSomething' : 'classForOthers' ">{{record.name}}</td> 
</tr>

NgFor class - angular library, The NgFor directive instantiates a template once per item from an iterable. context with the given loop variable set to the current item from the iterable. Otherwise, the DOM element for that item will remain the same. @Input(), write-​only. When we use *ngFor, we’re telling Angular to essentially treat the element the * is bound to as a template. Angular’s <ng-template> element is not a true Web Component (unlike <template> ). It merely mirrors the concepts behind it to allow you to use <ng-template> as it’s intended in the spec.

NgFor • Angular, We use the NgFor directive to loop over an array of items and create multiple The template Duration: 6:42 Posted: Oct 6, 2016 We use the NgFor directive to loop over an array of items and create multiple elements dynamically from a template element. The template element is the element the directive is attached to. We can nest muliple NgFor directives together.

NgStyle & NgClass • Angular, Understand when and how to use the NgStyle directive to set an elements style. 'ngstyle-example', template: `<h4>NgStyle</h4> <ul *ngFor="let person of people"> Angular comes to the rescue with a special syntax, <property>. The NgClass directive allows you to set the CSS class dynamically for a DOM element. If we want to just add text-success to the list of classes already set on the element we can use the extended syntax [class.<class-name>]='truthy expression' So for instance to add text-success to the list of classes for an element we can use:

Angular NgFor: Everything you need to know, example.component.css'], }) export class ExampleComponent { array The ngFor directive does create the HTML-Element it is placed in as Depending on the use case, only having a reference to each element is not enough. To specify a trackBy function, we first need to create one in our component. Angular ngClass Conditionally add class. Here I am going to discuss about adding a class to an active element. For example if we click on a link or dynamic menu we need to highlight that with a color. In this article we will be discussing the same in different scenarios.

Comments
  • [ngClass]="record.name === 'something' ? 'yourClass' : 'otherClass' "
  • stackoverflow.com/questions/34657821/… Can you refer here?