使用方法：将如下代码放置主题首页面自定义模块即可

<!--打字机一言开始-->
<script>
    var yiyan = function (r) {
      function t() {
        return b[Math.floor(Math.random() * b.length)]
      }  
      function e() {
        return String.fromCharCode(94 * Math.random() + 33)
      }
      function n(r) {
        for (var n = document.createDocumentFragment(), i = 0; r > i; i++) {
          var l = document.createElement("span");
          l.textContent = e(), l.style.color = t(), n.appendChild(l)
        }
        return n
      }
      function i() {
        var t = o[c.skillI];
        c.step ? c.step-- : (c.step = g, c.prefixP < l.length ? (c.prefixP >= 0 && (c.text += l[c.prefixP]), c.prefixP++) : "forward" === c.direction ? c.skillP < t.length ? (c.text += t[c.skillP], c.skillP++) : c.delay ? c.delay-- : (c.direction = "backward", c.delay = a) : c.skillP > 0 ? (c.text = c.text.slice(0, -1), c.skillP--) : (c.skillI = (c.skillI + 1) % o.length, c.direction = "forward")), r.textContent = c.text, r.appendChild(n(c.prefixP < l.length ? Math.min(s, s + c.prefixP) : Math.min(s, t.length - c.skillP))), setTimeout(i, d)
      }
      var l = "总有人间一两风，填我十万八千梦🍂",  //固定一条
      o = [""].map(function (r) {  //多条顺序格式 "内容1"，"内容2"
      return r + ""
      }),
      a = 25,  //打字完等待重载时间
      g = 1,
      s = 1,
      d = 80,  //打字过程速度
      b = [""],
      c = {
        text: "🍂",  //固定开头内容，不打字效果
        prefixP: -s,
        skillI: 0,
        skillP: 0,
        direction: "forward",
        delay: a,
        step: g
      };
      i()
      };
      yiyan(document.getElementById('yiyan'));
  </script>
<!--打字机一言结束-->