Animation in Vue

1. Use Vue to achieve basic CSS transitions and animations

Transitions: For example, a div’s background color changes from red to green.

Animation: for example, a div moving from left to right is called animation;

animation

<! DOCTYPEhtml>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="Width = device - width, initial - scale = 1.0">
  <title>hello vue</title>
  <! Vue library -->
  <script src="https://unpkg.com/vue@next"></script>
  <! - style -- -- >
  <style>
    @keyframes leftToRight {
      0% {
        transform: translateX(-100px);
      }
      50% {
        transform: translateX(-50px);
      }
      100% {
        transform: translateX(0px); }}.animation{
      animation: leftToRight 3s;
    }
  </style>
</head>

<body>
  <div id="root"></div>
</body>

<script>
  const app = Vue.createApp({
    data(){
      return{
        animate: {
          animation: false}}},methods: {open(){
        this.animate.animation = !this.animate.animation; }},template: ` 
       
 
        

         hello world! < / div > < button @ click = "open" > start animation < / button > < / div > `
        

       

  });

  const vm = app.mount('#root');
</script>

</html>
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The results

The transition

<! DOCTYPEhtml>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="Width = device - width, initial - scale = 1.0">
  <title>hello vue</title>
  <! Vue library -->
  <script src="https://unpkg.com/vue@next"></script>
  <! - style -- -- >
  <style>
    .transition{
      transition: 3s background-color ease;
    }
    .blue{
      background: blue;
    }
    .red{
      background: red;
    }
  </style>
</head>

<body>
  <div id="root"></div>
</body>

<script>
  const app = Vue.createApp({
    data(){
      return{
        animate: {
          transition: true.blue: true.red: false}}},methods: {shift(){
        this.animate.red = !this.animate.red; }},template: ` 
       
 
        

         hello world! < / div > < button @ click = "shift" > switch < / button > < / div > `
        

       

  });

  const vm = app.mount('#root');
</script>

</html>
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The results

The transition is achieved by binding styles

<! DOCTYPEhtml>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="Width = device - width, initial - scale = 1.0">
  <title>hello vue</title>
  <! Vue library -->
  <script src="https://unpkg.com/vue@next"></script>
  <! - style -- -- >
  <style>
    .transition{
      transition: 3s background-color ease;
    }
  </style>
</head>

<body>
  <div id="root"></div>
</body>

<script>
  const app = Vue.createApp({
    data(){
      return{
        styleObject: {
          background: 'red'}}},methods: {shift(){
        if(this.styleObject.background === 'red') {this.styleObject.background = 'blue';
        }else{
          this.styleObject.background = 'red'; }}},template: ` 
       
 
        

         hello world! < / div > < button @ click = "shift" > switch < / button > < / div > `
        

       

  });

  const vm = app.mount('#root');
</script>

</html>
Copy the code

The results