What does ngClass do in Angular?

What does ngClass do in Angular?

The ng-class Directive in AngularJS is used to specify the CSS classes on HTML elements. It is used to dynamically bind classes on an HTML element. If the expression inside the ng-class directive returns true then only the class is added else it is not added.

What is class in AngularJS?

AngularJS ng-class Directive The ng-class directive dynamically binds one or more CSS classes to an HTML element. The value of the ng-class directive can be a string, an object, or an array. The class will only be added if the value is set to true. As an array, it can be a combination of both.

How do you use NG conditional class?

To add a conditional class in Angular we can pass an object to ngClass where key is the class name and value is condition i.e., true or false as shown below. And in the above code, class name will be added only when the condition is true.

How do I bind a class in AngularJS?

To create a single class binding, use the prefix class followed by a dot and the name of the CSS class—for example, [class. sale]=”onSale” . Angular adds the class when the bound expression, onSale is truthy, and it removes the class when the expression is falsy—with the exception of undefined .

What is Ng in Angular?

The prefix ng stands for “Angular;” all of the built-in directives that ship with Angular use that prefix. Similarly, it is recommended that you do not use the ng prefix on your own directives in order to avoid possible name collisions in future versions of Angular.

What is the difference between class and ngClass in Angular?

ngClass is more powerful. It allows you to bind a string of classes, an array of strings, or an object like in your example. The above two lines of code is with respect to CSS class binding in Angular. There are basically 2-3 ways you can bind css class to angular components.

Can we have two NgClass?

Yes you can have multiple expression to add multiple class in ng-class.

What is the difference between class and NgClass?

What is Ng directives in Angular?

AngularJS directives are extended HTML attributes with the prefix ng- . The ng-init directive initializes application data. The ng-model directive binds the value of HTML controls (input, select, textarea) to application data.

What is Ng container in Angular?

The Angular is a grouping element that doesn’t interfere with styles or layout because Angular doesn’t put it in the DOM. (…) The is a syntax element recognized by the Angular parser. It’s not a directive, component, class, or interface.

What is the use of ng-cloak in AngularJS?

The ng-cloak directive in angularjs is a special type of directive which is used to prevent showing an un-compiled form of elements while page is loading. We can say that ng-cloak directive will hold and wait till operations complete to show the elements on page.

What is angular certification?

Angular Certification Course at Edureka is designed for professionals who want to learn modern client-side design and development techniques and wish to apply it on large web applications such as Cloud ERP, CRM , among others.

What is angular AngularJS?

Angular is a complete rewrite from the same team that built AngularJS . Architecture of an Angular application. The main building blocks are modules, components, templates, metadata, data binding, directives, services, and dependency injection.