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目录
前言
HTML部分
CSS部分
JS部分
效果图
总结
前言
无需多言，本文将详细介绍一段HTML代码，图中线条可跟随鼠标移动，具体内容如下：
开始
首先新建一个HTML的文本，文本名改为[index.html]，创建好后右键用文本文档打开，再把下面相对应代码填入后保存即可。（文本名主要是改后缀）
HTML部分
下面代码是一个完整的HTML页面，包含了HTML、CSS和JavaScript。首先先对代码各个方面进行分析：
HTML部分
<!DOCTYPE html>声明了文档类型和HTML版本，这里是XHTML 1.0 Transitional，它允许使用一些不严格的标签。<html>标签定义了整个页面的内容，xmlns属性指定了命名空间，通常用于XML文档。<head>部分包含了文档的元数据，如<meta>标签定义了字符集为UTF-8，<title>定义了页面标题。<body>标签内包含了页面的所有内容，如文本、图片、视频等。
CSS部分
- 使用了内联
<style>标签定义了页面的样式。 - 有一个重置样式
* { margin: 0; padding: 0; ... }，这用于统一不同浏览器的默认样式。 - 定义了一些动画和过渡效果，如
h1, h2的字母逐渐显示效果。 - 页面背景、文字样式、链接样式等都通过CSS进行了定义。
JavaScript部分
- 定义了一个
Stats函数，用于显示页面的帧率(FPS)和毫秒数(MS)。 - 定义了
Oscillator和Tendril类，这些类用于生成页面上的动态效果。 - 使用了
requestAnimFrame来创建平滑的动画循环。 - 通过
mousemove、touchstart等事件监听器来响应用户的交互。 - 有一个
letters函数，用于将标题中的每个字母分开，并添加动画效果。 - 有一个
save函数，可能用于保存页面的当前状态为图片。
其他注意事项
<canvas>元素被用于绘制动态图形。- 页面中有一些用于调试的代码，如
settings.debug = true;，这可能在开发过程中有用，但在生产环境中应该被移除或设置为false。<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>丝滑</title><style type="text/css"> * {margin: 0; padding: 0;-webkit-box-sizing: border-box;-moz-box-sizing: border-box;-ms-box-sizing: border-box;-o-box-sizing: border-box;box-sizing: border-box; } html, body {margin: 0;padding: 0;font: 16px/1.4 'Lato', sans-serif;color: #fefeff;-webkit-font-smoothing: antialiased;font-smoothing: antialiased; } body {background: rgb(8,5,16);overflow:hidden;-webkit-touch-callout: none;-webkit-user-select: none;-khtml-user-select: none;-moz-user-select: none;-ms-user-select: none;user-select: none; }h1 {font: 2.75em 'Cinzel', serif;font-weight: 400;letter-spacing: 0.35em;text-shadow: 0 0 25px rgba(254,254,255,0.85); } h2 {font: 1.45em 'Cinzel', serif;font-weight: 400;letter-spacing: 0.5em;text-shadow: 0 0 25px rgba(254,254,255,0.85);text-transform: lowercase; }[class^="letter"] {-webkit-transition: opacity 3s ease;-moz-transition: opacity 3s ease;transition: opacity 3s ease; } .letter-0 { transition-delay: 0.2s; } .letter-1 { transition-delay: 0.4s; } .letter-2 { transition-delay: 0.6s; } .letter-3 { transition-delay: 0.8s; } .letter-4 { transition-delay: 1.0s; } .letter-5 { transition-delay: 1.2s; } .letter-6 { transition-delay: 1.4s; } .letter-7 { transition-delay: 1.6s; } .letter-8 { transition-delay: 1.8s; } .letter-9 { transition-delay: 2.0s; } .letter-10 { transition-delay: 2.2s; } .letter-11 { transition-delay: 2.4s; } .letter-12 { transition-delay: 2.6s; } .letter-13 { transition-delay: 2.8s; } .letter-14 { transition-delay: 3.0s; }h1, h2 {visibility: hidden;-webkit-transform: translate3d(0, 0, 0);-moz-transform: translate3d(0, 0, 0);transform: translate3d(0, 0, 0); } h1.transition-in, h2.transition-in {visibility: visible; } h1 [class^="letter"], h2 [class^="letter"] {opacity: 0; } h1.transition-in [class^="letter"], h2.transition-in [class^="letter"] {opacity: 1; }#container { display: table; position: absolute; z-index: 20; width: 100%; height: 100%; text-align: center; cursor: none; left: 15px; } #container > div {display: table-cell;vertical-align: middle; } #container p {position: absolute;width: 100%;left: 0;bottom: 25px;font-size: 0.8em;letter-spacing: 0.1em;font-weight: 300;color: #76747a;-webkit-font-smoothing: subpixel-antialiased;font-smoothing: subpixel-antialiased; } #container p strong { color: #b3abc5; font-size: 5em; } #container p span {font-size: 0.75em;padding: 0 2px; }#canvas {position: absolute;z-index: 10;top: 0;left: 0;width: 100%;height: 100%;cursor: none; }#stats { position: absolute; z-index: 10; left: 10px; top: 10px; }.dg.ac {z-index: 100 !important; }#container div p strong a { color: #999; font-size: 0.5em; } body,td,th { font-family: Lato, sans-serif; } a:link { text-decoration: none; } a:visited { text-decoration: none; } a:hover { text-decoration: none; } a:active { text-decoration: none; } </style> </head> <body ondragstart="window.event.returnValue=false" oncontextmenu="window.event.returnValue=false" onselectstart="event.returnValue=false"><div id="container"><div><h1 id="h1">HTML讨论群，计算机考证讨论群，请加QQ群</h1><h2 id="h2">757183195，428886795</h2><h3 id="h2">雷神 Leo</h3><p> </p><p><strong><a href="https://gxguizhiyuan.com/volunteer-pc/#/home/team/info/824313033?isAdd=1">简介</a></strong></p><p> </p><p> </p><p> </p><p> </p><p> </p></div></div><canvas id="canvas"></canvas><audio autoplay="autoplay"><source src="http://www.ntzyw.cn" type="audio/ogg"><source src="http://p2014.yaotou.com:8081/2014%2F2014-4%2F2014-4-20%2F2014420203237.m4a" type="audio/mpeg"> </audio><script> var Stats=function(){var e=Date.now(),t=e,i=0,n=1/0,r=0,s=0,o=1/0,a=0,l=0,h=0,c=document.createElement("div");c.id="stats",c.addEventListener("mousedown",function(e){e.preventDefault(),v(++h%2)},!1),c.style.cssText="width:80px;opacity:0.9;cursor:pointer";var u=document.createElement("div");u.id="fps",u.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002",c.appendChild(u);var d=document.createElement("div");d.id="fpsText",d.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px",d.innerHTML="FPS",u.appendChild(d);var p=document.createElement("div");for(p.id="fpsGraph",p.style.cssText="position:relative;width:74px;height:30px;background-color:#0ff",u.appendChild(p);74>p.children.length;){var f=document.createElement("span");f.style.cssText="width:1px;height:30px;float:left;background-color:#113",p.appendChild(f)}var m=document.createElement("div");m.id="ms",m.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#020;display:none",c.appendChild(m);var g=document.createElement("div");g.id="msText",g.style.cssText="color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px",g.innerHTML="MS",m.appendChild(g);var y=document.createElement("div");for(y.id="msGraph",y.style.cssText="position:relative;width:74px;height:30px;background-color:#0f0",m.appendChild(y);74>y.children.length;){var f=document.createElement("span");f.style.cssText="width:1px;height:30px;float:left;background-color:#131",y.appendChild(f)}var v=function(e){switch(h=e){case 0:u.style.display="block",m.style.display="none";break;case 1:u.style.display="none",m.style.display="block"}},b=function(e,t){var i=e.appendChild(e.firstChild);i.style.height=t+"px"};return{REVISION:11,domElement:c,setMode:v,begin:function(){e=Date.now()},end:function(){var h=Date.now();return i=h-e,n=Math.min(n,i),r=Math.max(r,i),g.textContent=i+" MS ("+n+"-"+r+")",b(y,Math.min(30,30-30*(i/200))),l++,h>t+1e3&&(s=Math.round(1e3*l/(h-t)),o=Math.min(o,s),a=Math.max(a,s),d.textContent=s+" FPS ("+o+"-"+a+")",b(p,Math.min(30,30-30*(s/100))),t=h,l=0),h},update:function(){e=this.end()}}}; </script> <script>;(function(window) {var ctx,hue,logo,form,buffer,target = {},tendrils = [],settings = {};settings.debug = true; settings.friction = 0.5; settings.trails = 20; settings.size = 50; settings.dampening = 0.25; settings.tension = 0.98;Math.TWO_PI = Math.PI * 2;// ======================================================================================== // Oscillator // ----------------------------------------------------------------------------------------function Oscillator(options) {this.init(options || {}); }Oscillator.prototype = (function() {var value = 0;return {init: function(options) {this.phase = options.phase || 0;this.offset = options.offset || 0;this.frequency = options.frequency || 0.001;this.amplitude = options.amplitude || 1;},update: function() {this.phase += this.frequency;value = this.offset + Math.sin(this.phase) * this.amplitude;return value;},value: function() {return value;}};})();// ======================================================================================== // Tendril // ----------------------------------------------------------------------------------------function Tendril(options) {this.init(options || {}); }Tendril.prototype = (function() {function Node() {this.x = 0;this.y = 0;this.vy = 0;this.vx = 0;}return {init: function(options) {this.spring = options.spring + (Math.random() * 0.1) - 0.05; this.friction = settings.friction + (Math.random() * 0.01) - 0.005;this.nodes = [];for(var i = 0, node; i < settings.size; i++) {node = new Node();node.x = target.x;node.y = target.y;this.nodes.push(node);} },update: function() {var spring = this.spring,node = this.nodes[0];node.vx += (target.x - node.x) * spring;node.vy += (target.y - node.y) * spring;for(var prev, i = 0, n = this.nodes.length; i < n; i++) {node = this.nodes[i];if(i > 0) {prev = this.nodes[i - 1];node.vx += (prev.x - node.x) * spring;node.vy += (prev.y - node.y) * spring;node.vx += prev.vx * settings.dampening;node.vy += prev.vy * settings.dampening;}node.vx *= this.friction;node.vy *= this.friction;node.x += node.vx;node.y += node.vy;spring *= settings.tension;}},draw: function() {var x = this.nodes[0].x, y = this.nodes[0].y,a, b;ctx.beginPath();ctx.moveTo(x, y);for(var i = 1, n = this.nodes.length - 2; i < n; i++) {a = this.nodes[i];b = this.nodes[i + 1];x = (a.x + b.x) * 0.5;y = (a.y + b.y) * 0.5;ctx.quadraticCurveTo(a.x, a.y, x, y);}a = this.nodes[i];b = this.nodes[i + 1];ctx.quadraticCurveTo(a.x, a.y, b.x, b.y);ctx.stroke();ctx.closePath();}};})();// ----------------------------------------------------------------------------------------function init(event) {document.removeEventListener('mousemove', init);document.removeEventListener('touchstart', init);document.addEventListener('mousemove', mousemove);document.addEventListener('touchmove', mousemove);document.addEventListener('touchstart', touchstart);mousemove(event);reset();loop(); }function reset() {tendrils = [];for(var i = 0; i < settings.trails; i++) {tendrils.push(new Tendril({spring: 0.45 + 0.025 * (i / settings.trails)}));} }function loop() {if(!ctx.running) return;ctx.globalCompositeOperation = 'source-over';ctx.fillStyle = 'rgba(8,5,16,0.4)';ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);ctx.globalCompositeOperation = 'lighter';ctx.strokeStyle = 'hsla(' + Math.round(hue.update()) + ',90%,50%,0.25)';ctx.lineWidth = 1;if(ctx.frame % 60 == 0) {console.log(hue.update(), Math.round(hue.update()), hue.phase, hue.offset, hue.frequency, hue.amplitude);}for(var i = 0, tendril; i < settings.trails; i++) {tendril = tendrils[i];tendril.update();tendril.draw();}ctx.frame++;ctx.stats.update();requestAnimFrame(loop); }function resize() {ctx.canvas.width = window.innerWidth;ctx.canvas.height = window.innerHeight; }function start() {if(!ctx.running) {ctx.running = true;loop();} }function stop() {ctx.running = false; }function mousemove(event) {if(event.touches) {target.x = event.touches[0].pageX;target.y = event.touches[0].pageY;} else {target.x = event.clientXtarget.y = event.clientY;}event.preventDefault(); }function touchstart(event) {if(event.touches.length == 1) {target.x = event.touches[0].pageX;target.y = event.touches[0].pageY;} }function keyup(event) {switch(event.keyCode) {case 32:save();break;default: // console.log(event.keyCode);} }function letters(id) {var el = document.getElementById(id),letters = el.innerHTML.replace('&', '&').split(''),heading = '';for(var i = 0, n = letters.length, letter; i < n; i++) {letter = letters[i].replace('&', '&');heading += letter.trim() ? '<span class="letter-' + i + '">' + letter + '</span>' : ' ';}el.innerHTML = heading;setTimeout(function() { el.className = 'transition-in'; }, (Math.random() * 500) + 500); }function save() {if(!buffer) {buffer = document.createElement('canvas');buffer.width = screen.availWidth;buffer.height = screen.availHeight;buffer.ctx = buffer.getContext('2d');form = document.createElement('form');form.method = 'post';form.input = document.createElement('input');form.input.type = 'hidden';form.input.name = 'data';form.appendChild(form.input);document.body.appendChild(form);}buffer.ctx.fillStyle = 'rgba(8,5,16)';buffer.ctx.fillRect(0, 0, buffer.width, buffer.height);buffer.ctx.drawImage(canvas,Math.round(buffer.width / 2 - canvas.width / 2), Math.round(buffer.height / 2 - canvas.height / 2));buffer.ctx.drawImage(logo,Math.round(buffer.width / 2 - logo.width / 4), Math.round(buffer.height / 2 - logo.height / 4),logo.width / 2,logo.height / 2);window.open(buffer.toDataURL(), 'wallpaper', 'top=0,left=0,width=' + buffer.width + ',height=' + buffer.height);// form.input.value = buffer.toDataURL().substr(22);// form.submit(); }window.requestAnimFrame = (function() {return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(fn) { window.setTimeout(fn, 1000 / 60) }; })();window.onload = function() {ctx = document.getElementById('canvas').getContext('2d');ctx.stats = new Stats();ctx.running = true;ctx.frame = 1;logo = new Image();logo.src = 'http://labs.nikrowell.com/lightsandmotion/ultraviolet/images/logo.png';hue = new Oscillator({phase: Math.random() * Math.TWO_PI,amplitude: 85,frequency: 0.0015,offset: 285});letters('h1');letters('h2');document.addEventListener('mousemove', init);document.addEventListener('touchstart', init);document.body.addEventListener('orientationchange', resize);window.addEventListener('resize', resize);window.addEventListener('keyup', keyup);window.addEventListener('focus', start);window.addEventListener('blur', stop);resize();if(window.DEBUG) {var gui = new dat.GUI();// gui.add(settings, 'debug');settings.gui.add(settings, 'trails', 1, 30).onChange(reset);settings.gui.add(settings, 'size', 25, 75).onFinishChange(reset);settings.gui.add(settings, 'friction', 0.45, 0.55).onFinishChange(reset);settings.gui.add(settings, 'dampening', 0.01, 0.4).onFinishChange(reset);settings.gui.add(settings, 'tension', 0.95, 0.999).onFinishChange(reset); document.body.appendChild(ctx.stats.domElement);} };})(window);</script></body> </html>
效果图
具体可以上手体验，十分简单，只要会复制粘贴改后缀就行。
总结
这段代码是一个交互式网页的示例，它利用HTML定义了页面结构，CSS负责页面的样式设计，包括动画和过渡效果，以及一个重置样式来统一不同浏览器的默认样式。JavaScript部分实现了动态效果，包括一个自定义的`Stats`函数来显示性能指标，以及`Oscillator`和`Tendril`类来创建视觉效果。此外，通过监听用户的鼠标和触摸动作，页面能够响应交互。代码中还包含了一些可能用于调试目的的设置，以及一些可能存在问题或需要优化的资源链接。整体而言，该页面通过结合前端技术，提供了视觉动画和用户交互的体验。