Angular animations how to#
Angular animations install#

ng new anganimation Also, install Bootstrap 4 using the following command. Step 1: Creating the Angular application To create an Angular project, type the following command. If any of the passed in parameter values are missing. To get started with adding Angular animations in your project, import the animation-specific modules along with the standard Angular functionality. When an animation is invoked via the useAnimation function, then parameter values are allowed to be passed in directly. If parameters are attached, they act as default values. You'll need to include the angular-animate.js file and inject ngAnimate into your module before you can use animations. Each animation is an AnimationReferenceMetadata object as produced by the animation function provided by Angular. To demonstrate, lets start with a quick example of ng-hide/ng-show animations. This is precisely how Angular's ngAnimate module works. Wouldn't it be great if the ng-hide/ng-show, ng-if, ng-repeat, etc directives automatically added CSS classes to their respective DOM elements that we could hook into for providing animations?

The source of the state can be a simple object attribute, as it was in this case.

Angular animations how to#

In the example above, the states 'active' and 'inactive' are based on the logical state of hero objects. Learn how to use angular/animations by viewing and forking example apps that make use of angular/animations on CodeSandbox. An animation state is a string value that you define in your application code. Angular ARIA: ARIA (Accessible Rich Internet Applications) provide state and semantic information for. Angular animations are defined as logical states and transitions between states. Sound familiar? That's right - ng-hide/ng-show, ng-if, ng-repeat, and the other directives provided by Angular automatically deal with this functionality for us. Angular Animate: AngularJS animations library. As you probably know from experience, having this sort of logic littered throughout your javascript files quickly becomes hard to manage as your application grows in size.īefore we dive into how Angular solves this problem, lets first think about when you typically want to animate DOM elements: after user interaction with your app, which then triggers displaying / hiding elements, moving elements in a list around, etc. If I wanted to hide the element afterwards with a custom fade out animation, I would then have to call $('.item').hide().addClass('fadeOut'). For example, if I wanted to have an element bounce in using a custom CSS class using jQuery, it would look something like this: $('.item').show().addClass('bounceIn').

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The Angular way of doing this is to declare an attribute with the animation trigger name and the prefix. In the past, making web apps feel delightful with animations required programmatically adding and removing classes to DOM elements. After the registration of animations, it is necessary to assign an animation to an HTML element.