![]() Upto this point when we refresh the page our todo items fadeIn. ![]() So in your animation you might be working on something more complex then if you know when the animation starts and finishes, you can handle the start and done event of this animation trigger. It’s the custom trigger that we have applied on our animation. We got totalTime which is 500ms and trigger name. And here the phaseName property can be start or done, start for the beginning of the animation and done is for at the end of the animation. We have fromState and toState, so we can see our element transition from the void state to null which is the default state because we have not defined custom state here. Here we have element which gives us access to the underlying element on which we have apply the animation. This event object has a bunch of useful properties. We have the couple of callback methods that we can use to see when an animation starts and when it is done. So now we have apply the animations on the html elements. Refresh the page we have quick fadeIn effect. Now let’s take a look at the implementation in the browser. Before we explore these functions in details, let’s take a look at the anatomy of an animation. So as we know we have a module called In this module, we have a bunch of helper functions for creating animations such as trigger(), transition(), state(), animate() and so on. Now let’s see how to build the animations in our angular apps. So we’re not tightly coupled with the implementation of Web Animations in browsers. So when we code against different abstractions, then potentially we can take our code and run inside iOS or in Android environment and use animations natively in that environment. The benefit of this approach is that our code is going to be easier to unit test and also easier to port with different platforms. So, instead of directly working with this API, we’re going to work with the abstractions provided by Angular. But where does Angular come into this picture? Well, Angular has a module called and this module is built on top of standard Web Animations API. So basically, there are 2 ways to make the animations with CSS and JavaScript. We get the HTML element with querySelector and apply the animate() method on that element. Microsoft IE and Edge are behind in the game just like but don’t worry, because there are polyfills that you can install and then you can use Web Animation in these other browsers too. Here, you can see Web Animations are supported in what browsers. So, if you head over to, here you can see what features are implemented in what browsers. The recommended approach is to use Web Animations API which is basically a specification of animating DOM elements and is currently supported natively with Chrome, Firefox, and Opera. In terms of implementation, there are various libraries out there that give you an API for implementing animations in JavaScript. If you want to build something more complex, then you really need to use JavaScript. We often use this with simple, one-shot animations like showing a tooltip or toggling UI elements. So as you saw, we can certainly use CSS to add animations but this CSS animation gives us limited control. And then, start working with animate.css classes. We need to import it in the styles.css just like how we imported bootstrap into our styles.css in our previous articles. Take a look at the GitHub page of this library. So, we don’t need to manually build the animations with CSS properties. This is the library that gives us a bunch of predefined classes for various kinds of animations. And if we have been working with CSS for a while, you might have heard about the library animate.css. Now when we apply this class to a DOM element, the browser will animate that element. Here is an example let’s suppose we’ve defined the class in CSS. And with these properties, we can animate DOM elements. In CSS, we have a couple of properties like transition and animation. We can use CSS and Javascript to create the animations. There are 2 primary ways to create the animation in the Web application. Preparing the Angular Apps For Deployment – Part Thirteen.Authentication and Authorization – Part Twelve.CRUD Application with Fake HTTP Service – Part Nine.Building Reusable Components – Part Five.Binding Variations And Displaying Data - Part Four.Building Blocks of Angular - Part Three.Introduction And Setting Up The Environment - Part One.If you’re an absolute beginner with Angular, then you can start your journey from here. how to write clean and maintainable animation code.how to use the new animation functions in Angular 4.3.ways of animating various elements in the DOM.By the end of this article, you’ll have a good understanding of, ![]() So here, we’ll learn how to add animations to our Angular apps. Animations are getting more common in a lot of modern applications.
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