四个复制就能用的炫酷网页特效

Posted 老张在线敲代码

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第一个:炫酷星空

 
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>运营系统登录页</title>
 
<link href="static/css/login.css" rel="stylesheet" type="text/css">
<script type="text/javascript" src="static/lib/jquery/1.9.1/jquery.min.js"></script> 
<script src="static/js/verificationNumbers.js" tppabs="static/js/verificationNumbers.js"></script>
<style>
.J_codeimgz-index:-1;position:absolute;
</style>
<script>
$(document).ready(function() 
  //验证码
  createCode();
);
</script>
</head>
<body>
<div class="login-box" id="demo">
  </div>
  <div class="canvaszz"> </div>
  <canvas id="canvas"></canvas> 
</div>
<script>
//宇宙特效
"use strict";
var canvas = document.getElementById('canvas'),
  ctx = canvas.getContext('2d'),
  w = canvas.width = window.innerWidth,
  h = canvas.height = window.innerHeight,
 
  hue = 217,
  stars = [],
  count = 0,
  maxStars = 2500;//星星数量
 
var canvas2 = document.createElement('canvas'),
  ctx2 = canvas2.getContext('2d');
canvas2.width = 100;
canvas2.height = 100;
var half = canvas2.width / 2,
  gradient2 = ctx2.createRadialGradient(half, half, 0, half, half, half);
gradient2.addColorStop(0.025, '#CCC');
gradient2.addColorStop(0.1, 'hsl(' + hue + ', 61%, 33%)');
gradient2.addColorStop(0.25, 'hsl(' + hue + ', 64%, 6%)');
gradient2.addColorStop(1, 'transparent');
 
ctx2.fillStyle = gradient2;
ctx2.beginPath();
ctx2.arc(half, half, half, 0, Math.PI * 2);
ctx2.fill();![请添加图片描述](https://img-blog.csdnimg.cn/f7c720e91ff947a9a01febb855cfcc52.png)

 
// End cache
 
function random(min, max) 
  if (arguments.length < 2) 
    max = min;
    min = 0;
  
 
  if (min > max) 
    var hold = max;
    max = min;
    min = hold;
  
 
  return Math.floor(Math.random() * (max - min + 1)) + min;

 
function maxOrbit(x, y) 
  var max = Math.max(x, y),
    diameter = Math.round(Math.sqrt(max * max + max * max));
  return diameter / 2;
  //星星移动范围,值越大范围越小,

 
var Star = function() 
 
  this.orbitRadius = random(maxOrbit(w, h));
  this.radius = random(60, this.orbitRadius) / 18; 
  //星星大小
  this.orbitX = w / 2;
  this.orbitY = h / 2;
  this.timePassed = random(0, maxStars);
  this.speed = random(this.orbitRadius) / 500000; 
  //星星移动速度
  this.alpha = random(2, 10) / 10;
 
  count++;
  stars[count] = this;

 
Star.prototype.draw = function() 
  var x = Math.sin(this.timePassed) * this.orbitRadius + this.orbitX,
    y = Math.cos(this.timePassed) * this.orbitRadius + this.orbitY,
    twinkle = random(10);
 
  if (twinkle === 1 && this.alpha > 0) 
    this.alpha -= 0.05;
   else if (twinkle === 2 && this.alpha < 1) 
    this.alpha += 0.05;
  
 
  ctx.globalAlpha = this.alpha;
  ctx.drawImage(canvas2, x - this.radius / 2, y - this.radius / 2, this.radius, this.radius);
  this.timePassed += this.speed;

 
for (var i = 0; i < maxStars; i++) 
  new Star();

 
function animation() 
  ctx.globalCompositeOperation = 'source-over';
  ctx.globalAlpha = 0.5; //尾巴
  ctx.fillStyle = 'hsla(' + hue + ', 64%, 6%, 2)';
  ctx.fillRect(0, 0, w, h)
 
  ctx.globalCompositeOperation = 'lighter';
  for (var i = 1, l = stars.length; i < l; i++) 
    stars[i].draw();
  ;
 
  window.requestAnimationFrame(animation);

 
animation();
</script>
 
</body>
</html>

第二个:点击出现文字特效

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
 
<body>
    <script>
        (function () 
            var a_idx = 0;
            window.onclick = function (event) 
                var a = new Array("❤富强❤", "❤民主❤", "❤文明❤", "❤和谐❤", "❤自由❤", "❤平等❤", "❤公正❤", "❤法治❤", "❤爱国❤",
                    "❤敬业❤", "❤诚信❤", "❤友善❤");
 
                var heart = document.createElement("b"); //创建b元素
                heart.onselectstart = new Function('event.returnValue=false'); //防止拖动
 
                document.body.appendChild(heart).innerHTML = a[a_idx]; //将b元素添加到页面上
                a_idx = (a_idx + 1) % a.length;
                heart.style.cssText = "position: fixed;left:-100%;"; //给p元素设置样式
 
                var f = 16, // 字体大小
                    x = event.clientX - f / 2, // 横坐标
                    y = event.clientY - f, // 纵坐标
                    c = randomColor(), // 随机颜色
                    a = 1, // 透明度
                    s = 1.2; // 放大缩小
 
                var timer = setInterval(function ()  //添加定时器
                    if (a <= 0) 
                        document.body.removeChild(heart);
                        clearInterval(timer);
                     else 
                        heart.style.cssText = "font-size:16px;cursor: default;position: fixed;color:" +
                            c + ";left:" + x + "px;top:" + y + "px;opacity:" + a + ";transform:scale(" +
                            s + ");";
 
                        y--;
                        a -= 0.016;
                        s += 0.002;
                    
                , 15)
 
            
            // 随机颜色
            function randomColor() 
 
                return "rgb(" + (~~(Math.random() * 255)) + "," + (~~(Math.random() * 255)) + "," + (~~(Math
                .random() * 255)) + ")";
 
            
        ());
    </script>
</body>
 
</html>

第三个:屏幕左下角3d人物

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
 
<body>
   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/font-awesome/css/font-awesome.min.css">
   	<link rel="stylesheet" href="https://cdn.jsdelivr.net/semantic-ui/2.2.4/semantic.min.css">
           <script src="https://cdn.jsdelivr.net/npm/jquery@3.2/dist/jquery.min.js"></script>
   	<script src="https://cdn.jsdelivr.net/semantic-ui/2.2.4/semantic.min.js"></script>
   	<script src="https://cdn.jsdelivr.net/npm/jquery.scrollto@2.1.2/jquery.scrollTo.min.js"></script>
   	<script src="https://cdn.jsdelivr.net/gh/stevenjoezhang/live2d-widget@latest/autoload.js"></script>
</body>
 
</html>

第四个:蜘蛛网特效

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
 
<body>
  <script type="text/javascript">
  	!function () 
  	    function n(n, e, t) 
  	        return n.getAttribute(e) || t
  	    
  	 
  	    function e(n) 
  	        return document.getElementsByTagName(n)
  	    
  	 
  	    function t() 
  	        var t = e("script"), o = t.length, i = t[o - 1];
  	        return l: o, z: n(i, "zIndex", -1), o: n(i, "opacity", .5), c: n(i, "color", "0,0,0"), n: n(i, "count", 99)
  	    
  	 
  	    function o() 
  	        a = m.width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth, c = m.height = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight
  	    
  	 
  	    function i() 
  	        r.clearRect(0, 0, a, c);
  	        var n, e, t, o, m, l;
  	        s.forEach(function (i, x) 
  	            for (i.x += i.xa, i.y += i.ya, i.xa *= i.x > a || i.x < 0 ? -1 : 1, i.ya *= i.y > c || i.y < 0 ? -1 : 1, r.fillRect(i.x - .5, i.y - .5, 1, 1), e = x + 1; e < u.length; e++) n = u[e], null !== n.x && null !== n.y && (o = i.x - n.x, m = i.y - n.y, l = o * o + m * m, l < n.max && (n === y && l >= n.max / 2 && (i.x -= .03 * o, i.y -= .03 * m), t = (n.max - l) / n.max, r.beginPath(), r.lineWidth = t / 2, r.strokeStyle = "rgba(" + d.c + "," + (t + .2) + ")", r.moveTo(i.x, i.y), r.lineTo(n.x, n.y), r.stroke()))
  	        ), x(i)
  	    
  	 
  	    var a, c, u, m = document.createElement("canvas"), d = t(), l = "c_n" + d.l, r = m.getContext("2d"),
  	        x = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function (n) 
  	            window.setTimeout(n, 1e3 / 45)
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