js实现文本打字一行一行出现动画效果代码-html代码-BFW代码库

js实现文本打字一行一行出现动画效果代码

代码语言：html

所属分类：动画

代码描述：js实现文本打字一行一行出现动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


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

<head>

  <meta charset="UTF-8">
  

  
  <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Unica+One'>
  
<style>
* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  font-family: "Unica One", sans-serif;
  background: #111;
}

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 5rem;
}

.heading {
  color: #eee;
  font-size: 5rem;
  font-weight: 300;
  text-transform: uppercase;
}
</style>



</head>

<body >
  <div class="container">
  <h1 class="heading" data-target-resolver></h1>
</div>

  
      <script >
const resolver = {
  resolve: function resolve(options, callback) {
    // The string to resolve
    const resolveString = options.resolveString || options.element.getAttribute('data-target-resolver');
    const combinedOptions = Object.assign({}, options, { resolveString: resolveString });

    function getRandomInteger(min, max) {
      return Math.floor(Math.random() * (max - min + 1)) + min;
    };

    function randomCharacter(characters) {
      return characters[getRandomInteger(0, characters.length - 1)];
    };

    function doRandomiserEffect(options, callback) {
      const characters = options.characters;
      const timeout = options.timeout;
      const element = options.element;
      const partialString = options.partialString;

      let iterations = options.iterations;

      setTimeout(() => {
        if (iterations >= 0) {
          const nextOptions = Object.assign({}, options, { iterations: iterations - 1 });

          // Ensures partialString without the random character as the final state.
          if (iterations === 0) {
            element.textContent = partialString;
          } else {
            // Replaces the last character of partialString with a random character
            element.textContent = partialString.substring(0, partialString.length - 1) + randomCharacter(characters);
          }

          doRandomiserEffect(nextOptions, callback);
        } else if (typeof callback === "function") {
          callback();
        }
      }, options.timeout);
    };

    function doResolverEffect(options, callback) {
      const resolveString = options.resolveString;
      const characters = options.characters;
      const offset = options.offset;
      const partialString = resolveString.substring(0, offset);
      const combinedOptions = Object.assign({}, options, { partialString: partialString });

      doRandomiserEffect(combinedOptions, () => {
        const nextOptio.........完整代码请登录后点击上方下载按钮下载查看