jq实现文字闪烁输入

<!DOCTYPE html>
<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>jq实现文字闪烁输入</title>
    <style>
      #code p:nth-child(odd) {
    
    
        color: rgb(157, 35, 228);
      }
      #code p:nth-child(even) {
    
    
        color: red;
      }
      #code p:nth-child(1) {
    
    
        color: red;
      }
      #code p:nth-child(2) {
    
    
        color: rgb(240, 27, 134);
      }
      #code p:nth-child(3) {
    
    
        color: rgb(173, 230, 203);
      }
      #code p:nth-child(4) {
    
    
        color: rgb(40, 228, 65);
      }
    </style>
  </head>
  <body>
    <div id="code">
      <p>/**</p>
      <p>*2020-17-20</p>
      <p>*代码自动闪烁输入</p>
      <p>*/</p>
      <p>2020-17-20,I want to say:</p>
      <p>Baby, I love you forever!</p>
      <p>
        They tell you in school that it's the lungs that keep you breathing，but
        it's your heart.
      </p>
      <p>
        And it's as if I never really even knew love until right now，in this
        moment with you.
      </p>
      <h4>注意：cv到浏览器第一次打开或者刷新都可</h4>
    </div>
  </body>
</html>
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<script>
  $(function () {
    
    
    typewriter("code");
  });

  function typewriter(id) {
    
    
    var $ele = document.getElementById(id);
    var str = $ele.innerHTML,
      progress = 0;
    $ele.innerHTML = "";
    var timer = setInterval(function () {
    
    
      var current = str.substr(progress, 1);
      if (current == "<") {
    
    
        progress = str.indexOf(">", progress) + 1;
      } else {
    
    
        progress++;
      }
      $ele.innerHTML = str.substring(0, progress) + (progress & 1 ? "_" : "");
      if (progress >= str.length) {
    
    
        clearInterval(timer);
      }
    }, 75);
  }
</script>
jq实现文字闪烁输入

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