既然有人问,那就贴出来吧~

废话不多说,上代码!

HTML

<p id='typings'></p>

JS

var typings = 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 = "",
		o = [ "欢迎来到" + "小猫博客" , "设计成就梦想,细节成就品质" ].map(function(r) {
			return r + "."
		}),
		a = 2,
		g = 1,
		s = 5,
		d = 75,
		b = ["rgb(110,64,170)", "rgb(150,61,179)", "rgb(191,60,175)", "rgb(228,65,157)", "rgb(254,75,131)", "rgb(255,94,99)", "rgb(255,120,71)", "rgb(251,150,51)", "rgb(226,183,47)", "rgb(198,214,60)", "rgb(175,240,91)",
			"rgb(127,246,88)", "rgb(82,246,103)", "rgb(48,239,130)", "rgb(29,223,163)", "rgb(26,199,194)", "rgb(35,171,216)", "rgb(54,140,225)", "rgb(76,110,219)", "rgb(96,84,200)"
		],
		c = {
			text: "",
			prefixP: -s,
			skillI: 0,
			skillP: 0,
			direction: "forward",
			delay: a,
			step: g
		};
	i()
};
typing(document.getElementById('typings'));

没错,就这么多...


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技术成就梦想,细节成就品质。