JavaScript实现彩色菱形打印的完整代码示例

<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <title>weirdo</title>
  <style>
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    .lx {
      text-align: center;
      letter-spacing: 5px;
      margin: 20px;
    }
  </style>
</head>
<body>
<div class="lx">
  <script>
    function cl() {
      var c = '0123456789abcdef';
      var cc = '#';
      cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
      cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
      cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
      cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
      cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
      cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
      return cc;
    }
    function ling(num) {
      for (var i = 1; i <= num; i += 2) {
        document.write('<p class="ling">');
        for (var j = 1; j <= i; j++) {
          document.write('<span style="color:' + cl() + '">*</span>');
        }
        document.write('</p>');
      }
      for (var i = num; i >= 1; i -= 2) {
        document.write('<p class="ling">');
        for (var j = 1; j <= i; j++) {
          document.write('<span style="color:' + cl() + '">*</span>');
        }
        document.write('</p>');
      }
    }
    ling(15);
  </script>
</div>
</body>
</html>