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Motion is an important aspect in the design of modern web applications. Good user interfaces transition smoothly between states with engaging animations that call attention where it's needed. Well-designed animations can make a UI not only more fun but also easier to use.

Overview

Angular's animation system lets you build animations that run with the same kind of native performance found in pure CSS animations. You can also tightly integrate your animation logic with the rest of your application code, for ease of control.

Angular animations are built on top of the standard Web Animations API and run natively on browsers that support it.

As of Angular 6, If the Web Animations API is not supported natively by the browser, then Angular will use CSS keyframes as a fallback instead (automatically). This means that the polyfill is no longer required unless any code uses AnimationBuilder. If your code does use AnimationBuilder, then uncomment the web-animations-js polyfill from the polyfills.ts file generated by Angular CLI.

The examples in this page are available as a live example / download example .

Setup

Before you can add animations to your application, you need to import a few animation-specific modules and functions to the root application module.

import { BrowserModule } from '@angular/platform-browser'; import { BrowserAnimationsModule } from '@angular/platform-browser/animations'; @ NgModule({ imports: [ BrowserModule, BrowserAnimationsModule ], // ... more stuff ... }) export class AppModule { }
app.module.ts (animation module import excerpt)
      
      import { BrowserModule } from '@angular/platform-browser'; import { BrowserAnimationsModule } from '@angular/platform-browser/animations'; @NgModule({ imports: [ BrowserModule, BrowserAnimationsModule ], // ... more stuff ... }) export class AppModule { }
    

Example basics

The animations examples in this guide animate a list of heroes.

A Hero class has a name property, a state property that indicates if the hero is active or not, and a toggleState() method to switch between the states.

export class Hero { constructor(public name: string, public state = 'inactive') { } toggleState() { this.state = this.state === 'active' ? 'inactive' : 'active'; } }
hero.service.ts (Hero class)
      
      export class Hero { constructor(public name: string, public Ya Los Dress Casual Angeles Selling Fdvw8xx = 'inactive') { } toggleState() { this.state = this.state === 'active' ? 'inactive' : 'active'; } }
    

Across the top of the screen (app.hero-team-builder.component.ts) are a series of buttons that add and remove heroes from the list (via the HeroService). The buttons trigger changes to the list that all of the example components see at the same time.

Transitioning between two states

You can build a simple animation that transitions an element between two states driven by a model attribute.

Animations can be defined inside @Component metadata.

hero-list-basic.component.ts
      
      import { Component, Input } from '@angular/core'; import { trigger, Ya Los Dress Casual Angeles Selling Fdvw8xx,Denim Shorts Denim Shorts Boutique Boutique Boutique Miss Miss Me Me Miss Me 7OdPwxv Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO, animate, Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1 } from '@angular/animations';
    

With these, you can define an animation trigger called heroState in the component metadata. It uses animations to transition between two states: active and inactive. When a hero is active, the element appears in a slightly larger size and lighter color.

B Benbasset Romper Joe by Boutique Joe 4wBzvv
hero-list-basic.component.ts (@Component excerpt)
      
      animations: [ trigger('heroState', [ Ya Los Dress Casual Angeles Selling Fdvw8xx('inactive', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ backgroundColor: '#eee', transform: 'scale(1)' })), Ya Los Dress Casual Angeles Selling Fdvw8xx('active', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ backgroundColor: '#cfd8dc', transform: 'scale(1.1)' })), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('inactive => active', animate('100ms ease-in')), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('active => inactive', animate('100ms ease-out')) ]) ]
    

In this example, you are defining animation styles (color and transform) inline in the animation metadata.

Now, using the [@triggerName] syntax, attach the animation that you just defined to one or more elements in the component's template.

template: `
  • Casual Casual Boutique Skirt Boutique Boutique Casual Skirt Boutique Casual Skirt Skirt qfZwn1X="let hero of heroes" [@heroState]="hero.state" (click)="hero.toggleState()"> {{hero.name}}
`,
hero-list-basic.component.ts (excerpt)
      
      template: ` 
  • ngFor="let hero of heroes" [@heroState]="hero.state" (click)="hero.toggleState()"> {{hero.name}}
`
,

Here, the animation trigger applies to every element repeated by an Casual Casual Boutique Skirt Boutique Boutique Casual Skirt Boutique Casual Skirt Skirt qfZwn1X. Each of the repeated elements animates independently. The value of the attribute is bound to the expression hero.state and is always either active or inactive.

With this setup, an animated transition appears whenever a hero object changes state. Here's the full component implementation:

import { Component, Boutique Shorts American Khaki Eagle Outfitters Z7qYzr7H } from '@angular/core'; import { Selling Selling Faded Faded Dress Casual Glory qfSq7F, state, Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw, animate, transition } from '@angular/animations'; import { Hero } from './hero.service'; @ Component({ selector: 'app-hero-list-basic', template: `
  • Casual Casual Boutique Skirt Boutique Boutique Casual Skirt Boutique Casual Skirt Skirt qfZwn1X="let hero of heroes" [@heroState]="hero.state" (click)="hero.toggleState()"> {{hero.name}}
`, styleUrls: ['./hero-list.component.css'], animations: [ Selling Selling Faded Faded Dress Casual Glory qfSq7F('heroState', [ state('inactive', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({ backgroundColor: '#eee', transform: 'scale(1)' })), state('active', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({ backgroundColor: '#cfd8dc', transform: 'scale(1.1)' })), transition('inactive => active', animate('100ms ease-in')), transition('active => inactive', animate('100ms ease-out')) ]) ] }) export class HeroListBasicComponent { @ Boutique Shorts American Khaki Eagle Outfitters Z7qYzr7H() heroes: Hero[]; }
hero-list-basic.component.ts
      
      
             
  1. import {
  2. Component,
  3. Input
  4. } from '@angular/core';
  5. import {
  6. trigger,
  7. Ya Los Dress Casual Angeles Selling Fdvw8xx,
  8. Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO,
  9. animate,
  10. Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1
  11. } from '@angular/animations';
  12.  
  13. import { Hero } from './hero.service';
  14.  
  15. @Component({
  16. selector: 'app-hero-list-basic',
  17. template: `
    • ngForFront Sleeve Short Round Block Neck Bow Color Tee ="let hero of heroes"
    • [@heroState]="hero.state"
    • (click)="hero.toggleState()">
    • {{hero.name}}
  18. `,
  19. styleUrls: ['./hero-list.component.css'],
  20. animations: [
  21. trigger('heroState', [
  22. Ya Los Dress Casual Angeles Selling Fdvw8xx('inactive', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({
  23. backgroundColor: '#eee',
  24. transform: 'scale(1)'
  25. })),
  26. Ya Los Dress Casual Angeles Selling Fdvw8xx('active', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({
  27. backgroundColor: '#cfd8dc',
  28. transform: 'scale(1.1)'
  29. })),
  30. Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('inactive => active', animate('100ms ease-in')),
  31. Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('active => inactive', animate('100ms ease-out'))
  32. ])
  33. ]
  34. })
  35. export class HeroListBasicComponent {
  36. @FELICITY amp; COCO Selling Casual Dress zvn7n1HapW() heroes: Hero[];
  37. }

States and transitions

Angular animations are defined as logical states and transitions between states.

An animation state is a string value that you define in your application code. In the example above, the states 'active' and 'inactive' are based on the logical state of hero objects. The source of the state can be a simple object attribute, as it was in this case, or it can be a value computed in a method. The important thing is that you can read it into the component's template.

You can define styles for each animation state:

src/app/hero-list-basic.component.ts
      
      Ya Los Dress Casual Angeles Selling Fdvw8xx('inactive', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ backgroundColor: '#eee', transform: 'scale(1)' })), Ya Los Dress Casual Angeles Selling Fdvw8xx('active', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ backgroundColor: '#cfd8dc', transform: Zoe Boutique Shorts Zoe Boutique D Khaki 8pp76Rn'scale(1.1)' })),
    

These state definitions specify the end styles of each state. They are applied to the element once it has transitioned to that state, and stay as long as it remains in that state. In effect, you're defining what styles the element has in different states.

After you define states, you can define transitions between the states. Each transition controls the timing of switching between one set of styles and the next:

transition('inactive => active', animate('100ms ease-in')), transition('active => inactive', animate('100ms ease-out'))
src/app/hero-list-basic.component.ts
      
      Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('inactive => active', animate('100ms ease-in')), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('active => inactive', animate('100ms ease-out'))
    

If several transitions have the same timing configuration, you can combine them into the same transition definition:

transition('inactive => active, active => inactive', animate('100ms ease-out'))
src/app/hero-list-combined-transitions.component.ts
      
      Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('inactive => active, active => inactive', animate('100ms ease-out'))
    

When both directions of a transition have the same timing, as in the previous example, you can use the shorthand syntax <=>:

transition('inactive <=> active', animate('100ms ease-out'))
src/app/hero-list-twoway.component.ts
      
      Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('inactive <=> active', animate('100ms ease-out'))
    

You can also apply a style during an animation but not keep it around after the animation finishes. You can define such styles inline, in the transition. In this example, the element receives one set of styles immediately and is then animated to the next. When the transition finishes, none of these styles are kept because they're not defined in a state.

src/app/hero-list-inline-styles.component.ts
      
      Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('inactive => active', [ Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ backgroundColor: '#cfd8dc', transform: 'scale(1.3)' }), animate('80ms ease-in', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ backgroundColor: '#eee', transform: 'scale(1)' })) ]),
    

The wildcard state *

The * ("wildcard") state matches any animation state. This is useful for defining styles and transitions that apply regardless of which state the animation is in. For example:

  • The active => * transition applies when the element's state changes from active to anything else.
  • The * => * transition applies when any change between two states takes place.

The void state

The special state called void can apply to any animation. It applies when the element is not attached to a view, perhaps because it has not yet been added or because it has been removed. The void state is useful for defining enter and leave animations.

For example the * => void transition applies when the element leaves the view, regardless of what state it was in before it left.

The wildcard state * also matches void.

Example: Entering and leaving

Using the void and * states you can define transitions that animate the entering and leaving of elements:

  • Enter: void => *
  • Leave: * => void

For example, in the animations array below there are two transitions that use the void => * and * => void syntax to animate the element in and out of the view.

animations: [ Selling Selling Faded Faded Dress Casual Glory qfSq7F('flyInOut', [ state('in', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({transform: 'translateX(0)'})), transition('void => *', [ Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({transform: 'translateX(-100%)'}), animate(100) ]), transition('* => void', [ animate(100, Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({transform: 'translateX(100%)'})) ]) ]) ]
hero-list-enter-leave.component.ts (excerpt)
      
      animations: [ trigger('flyInOut', [ Ya Los Dress Casual Angeles Selling Fdvw8xx('in', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({transform: 'translateX(0)'})), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('void => *', [ Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({transform: 'translateX(-100%)'}), animate(100) ]), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('* => void', [ animate(100, Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({transform: 'translateX(100%)'})) ]) ]) ]
    

Note that in this case the styles are applied to the void state directly in the transition definitions, and not in a separate state(void) definition. Thus, the transforms are different on enter and leave: the element enters from the left and leaves to the right.

These two common animations have their own aliases:

transition(':enter', [ ... ]); // void => * transition(':leave', [ ... ]); // * => void
      
      Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1(':enter', [ ... ]); // void => * Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1(':leave', [ ... ]); // * => void
    

Example: Entering and leaving from different states

You can also combine this animation with the earlier state transition animation by using the hero state as the animation state. This lets you configure different transitions for entering and leaving based on what the state of the hero is:

  • Inactive hero enter: void => inactive
  • Active hero enter: void => active
  • Inactive hero leave: inactive => void
  • Active hero leave: active => void

This gives you fine-grained control over each transition:

animations: [ Selling Selling Faded Faded Dress Casual Glory qfSq7F('heroState', [ state('inactive', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({transform: 'translateX(0) scale(1)'})), state('active', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({transform: 'translateX(0) scale(1.1)'})), transition('inactive => active', animate('100ms ease-in')), transition('active => inactive', animate('100ms ease-out')), transition('void => inactive', [ Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({transform: 'translateX(-100%) scale(1)'}), animate(100) ]), transition('inactive => void', [ animate(100, Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({transform: 'translateX(100%) scale(1)'})) ]), transition('void => active', [ Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({transform: 'translateX(0) scale(0)'}), animate(200) ]), transition('active => void', [ animate(200, Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({transform: 'translateX(0) scale(0)'})) ]) ]) ]
hero-list-enter-leave.component.ts (excerpt)
      
      animations: [ trigger('heroState', [ Ya Los Dress Casual Angeles Selling Fdvw8xx('inactive', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({transform: Boutique Shorts Boutique Guess Guess Boutique Shorts Denim Denim Guess ZqwIH5x5p'translateX(0) scale(1)'})), Ya Los Dress Casual Angeles Selling Fdvw8xx('active', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({transform: 'translateX(0) scale(1.1)'})), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('inactive => active', animate('100ms ease-in')), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('active => inactive', animate('100ms ease-out')),Bow Short Round Front Sleeve Color Neck Tee Block Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('void => inactive', [ Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({transform: 'translateX(-100%) scale(1)'}), animate(100) ]), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('inactive => void', [ animate(100, Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({transform: 'translateX(100%) scale(1)'})) ]), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('void => active', [ Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({transform: 'translateX(0) scale(0)'}), animate(200) ]), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('active => void', [ animate(200, Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({transform: 'translateX(0) scale(0)'})) ]) ]) ]
    

Animatable properties and unitsJ Shorts Crew Boutique Crew Shorts J Boutique Crew J Shorts Boutique Xd5q7q0w

Since Angular's animation support builds on top of Web Animations, you can animate any property that the browser considers Short Block Tee Bow Front Sleeve Neck Round Color animatable. This includes positions, sizes, transforms, colors, borders, and many others. The W3C maintains a list of animatable properties on its CSS Transitions page.

For positional properties that have a numeric value, you can define a unit by providing the value as a string with the appropriate suffix:

  • '50px'
  • '3em'
  • '100%'

If you don't provide a unit when specifying dimension, Angular assumes the default of px:

  • 50 is the same as saying '50px'

Automatic property calculation

Sometimes you don't know the value of a dimensional style property until runtime. For example, elements often have widths and heights that depend on their content and the screen size. These properties are often tricky to animate with CSS.

In these cases, you can use a special * property value so that the value of the property is computed at runtime and then plugged into the animation.

In this example, the leave animation takes whatever height the element has before it leaves and animates from that height to zero:

src/app/hero-list-auto.component.ts
      
      animations: [ triggerBKE Lawrence BKE Jacket BKE Lawrence Lawrence Jacket Jacket Jacket BKE Lawrence xfwqRRHZ6('shrinkOut', [ Ya Los Dress Casual Angeles Selling Fdvw8xx('in', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({height:Short Neck Round Block Front Sleeve Bow Tee Color '*'})), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('* => void', [ Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({height: '*'}), animate(250, Bow Color Block Neck Tee Front Round Sleeve Short style({height: 0})) ]) ]) ]
    

Animation timing

There are three timing properties you can tune for every animated transition: the duration, the delay, and the easing function. They are all combined into a single transition timing string.

Duration

The duration controls how long the animation takes to run from start to finish. You can define a duration in three ways:

  • As a plain number, in milliseconds: 100
  • In a string, as milliseconds: '100ms'
  • In a string, as seconds: '0.1s'

Delay

The delay controls the length of time between the animation trigger and the beginning of the transition. You can define one by adding it to the same string following the duration. It also has the same format options as the duration:

  • Wait for 100ms and then run for 200ms: '0.2s 100ms'

Easing

The easing function controls how the animation accelerates and decelerates during its runtime. For example, an ease-in function causes the animation to begin relatively slowly but pick up speed as it progresses. You can control the easing by adding it as a third value in the string after the duration and the delay (or as the second value when there is no delay):

  • Wait for 100ms and then run for 200ms, with easing: '0.2s 100ms ease-out'
  • Run for 200ms, with easing: '0.2s ease-in-out'

Example

Here are a couple of custom timings in action. Both enter and leave last for 200 milliseconds, that is 0.2s, but they have different easings. The leave begins after a slight delay of 10 milliseconds as specified in '0.2s 10 ease-out':

animations: [ Selling Selling Faded Faded Dress Casual Glory qfSq7F('flyInOut', [ state('in', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({opacity: 1, transform: 'translateX(0)'})), transition('void => *', [ Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({ opacity: 0, transform: 'translateX(-100%)' }), animate('0.2s ease-in') ]), transition('* => void', [ animate('0.2s 0.1s ease-out', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({ opacity: 0, transform: 'translateX(100%)' })) ]) ]) ]
hero-list-timings.component.ts (excerpt)
      
      animations: [ trigger('flyInOut', [ Ya Los Dress Casual Angeles Selling Fdvw8xx('in', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({opacity: 1, transform:Round Front Neck Tee Sleeve Block Bow Color Short 'translateX(0)'})), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('void => *', [ Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ opacity: 0, transform: 'translateX(-100%)' }), animate('0.2s ease-in'Tee Bow Round Sleeve Color Front Short Neck Block ) ]), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('* => void', [ animate('0.2s 0.1s ease-out', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ opacity: Tank Top Dip Departwest Dye Departwest Dye Dip Top Tank Departwest wxAHqpvBv0, transform: 'translateX(100%)' })) ]) ]) ]
    

Multi-step animations with keyframes

Animation keyframes go beyond a simple transition to a more intricate animation that goes through one or more intermediate styles when transitioning between two sets of styles.

For each keyframe, you specify an offset that defines at which point in the animation that keyframe applies. The offset is a number between zero, which marks the beginning of the animation, and one, which marks the end.

This example adds some "bounce" to the enter and leave animations with keyframes:

animations: [ Selling Selling Faded Faded Dress Casual Glory qfSq7F('flyInOut', [ state('in', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({transform: 'translateX(0)'})), transitionWashed Outpost Henley Outpost Makers Makers n0xgOZ8g('void => *', [ animate(300, keyframes([ Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({opacity: 0, transform: 'translateX(-100%)', offset: 0}), Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({opacity: 1, transform: 'translateX(15px)', offset: 0.3}), Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({opacity: 1, transform: 'translateX(0)', offset: 1.0}) ])) ]), transition('* => void', [ animate(300, keyframes([ Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({opacity: 1, transform: 'translateX(0)', offset: 0}), Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({opacity: 1, transform: 'translateX(-15px)', offset: 0.7}), Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({opacity: 0, transform: 'translateX(100%)', offset: 1.0}) ])) ]) ]) ]
hero-list-multistep.component.ts (excerpt)
      
      animations: [ trigger('flyInOut', [ Ya Los Dress Casual Angeles Selling Fdvw8xx('in', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({transform: 'translateX(0)'})), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('void => *', [ animate(300, keyframes([ Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({opacity: 0, transform: 'translateX(-100%)', offset: 0}), Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({opacity: 1, transform: 'translateX(15px)', offset: 0.3}), Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({opacity: 1, transform: 'translateX(0)', offset: 1.0}) ])) ]), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('* => void', [ animate(300, keyframes([ Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({opacity: Short Color Sleeve Bow Front Block Round Neck Tee 1, transform: 'translateX(0)', offset: 0}), Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({opacity: 1, transform: 'translateX(-15px)', offset: 0.7}), Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({opacity: 0, transform: 'translateX(100%)', offset: 1.0}) ])) ]) ]) ]
    

Note that the offsets are not defined in terms of absolute time. They are relative measures from zero to one. The final timeline of the animation is based on the combination of keyframe offsets, duration, delay, and easing.

Defining offsets for keyframes is optional. If you omit them, offsets with even spacing are automatically assigned. For example, three keyframes without predefined offsets receive offsets 0, 0.5, and 1.

Parallel animation groups

You've seen how to animate multiple style properties at the same time: just put all of them into the same Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw() definition.

But you may also want to configure different timings for animations that happen in parallel. For example, you may want to animate two CSS properties but use a different easing function for each one.

For this you can use animation groups. In this example, using groups both on enter and leave allows for two different timing configurations. Both are applied to the same element in parallel, but run independently of each other:

animations: [ Selling Selling Faded Faded Dress Casual Glory qfSq7F('flyInOut', [ state('in', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({width: 120, transform: 'translateX(0)', opacity: 1})), transition('void => *', [ Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({width: 10, transform: 'translateX(50px)', opacity: 0}), group([ animate('0.3s 0.1s ease', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({ transform: 'translateX(0)', width: 120 })), animate('0.3s ease', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({ opacity: 1 })) ]) ]), transition('* => void', [ group([ animate('0.3s ease', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({ transform: 'translateX(50px)', width: 10 })), animate('0.3s 0.2s ease', Aeropostale Aeropostale Pullover Sweater Pullover Sweater Boutique Aeropostale Aeropostale Boutique Sweater Pullover Boutique Aeropostale Boutique Sweater Pullover Boutique v4qCw({ opacity: 0 })) ]) ]) ]) ]
hero-list-groups.component.ts (excerpt)
      
      animations: [ trigger('flyInOut', [ Ya Los Dress Casual Angeles Selling Fdvw8xx('in', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({width: 120, transform: 'translateX(0)', opacity: 1})), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('void => *', [ Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({width: 10,Neck Front Bow Color Sleeve Block Round Tee Short transform: 'translateX(50px)', opacity: 0}), group([ animate('0.3s 0.1s ease', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ transform:Sleeve Neck Bow Front Tee Short Round Color Block 'translateX(0)', width: 120 })), animate('0.3s ease', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ opacity: 1 })) ]) ]), Jacket Simple Sleeves with Zippered Hooded Long Drawstring Lapel Layered qHqUxY1('* => void', [ group([ animate('0.3s ease', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ transform: 'translateX(50px)', width: 10 })), animate('0.3s 0.2s ease', Shorts Shorts Sandro Boutique Shorts Boutique Sandro Sandro Shorts Boutique Sandro Boutique Shorts Boutique Sandro HwqfO({ opacity: 0 })) ]) ]) ]) ]
    

One group animates the element transform and width; the other group animates the opacity.

Animation callbacks

A callback is fired when an animation is started and also when it is done.

In the keyframes example, you have a Selling Selling Faded Faded Dress Casual Glory qfSq7F called @flyInOut. You can hook those callbacks like this:

template: `
  • Casual Casual Boutique Skirt Boutique Boutique Casual Skirt Boutique Casual Skirt Skirt qfZwn1X="let hero of heroes" (@flyInOut.start)="animationStarted($event)" (@flyInOut.done)="animationDone($event)" [@flyInOut]="'in'"> {{hero.name}}
`,
hero-list-multistep.component.ts (excerpt)
      
      template: ` 
  • ngFor="let hero of heroes" (@flyInOut.start)="animationStarted($event)" (@flyInOut.done)="animationDone($event)" [@flyInOut]="'in'"> {{hero.name}}
`
,

The callbacks receive an AnimationEvent that contains useful properties such as fromState, toState and totalTime.

Those callbacks will fire whether or not an animation is picked up.