本文主要是介绍【HTML】模拟插头连接断开动画,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
HTML结构
<!DOCTYPE html>
: 声明文档类型为 HTML。<html lang="en">
: HTML 页面的根元素,lang="en"
表示内容使用英语。<head>
: 包含元数据和页面的样式。<meta charset="UTF-8">
: 指定页面的字符编码为UTF-8
。<title>LightOnOff</title>
: 设置页面的标题。<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
: 优化移动设备的显示效果。<style>
: 包含页面的 CSS 样式。
<body>
: 页面的主体内容。<button class="plugs" type="button">...</button>
: 创建一个按钮元素,包含一个SVG图像和文本“Power”,这个按钮将用于切换主题。<script>
: 包含 JavaScript 代码。
CSS样式
CSS 样式定义了页面的视觉效果,包括颜色、布局和动画。以下是主要样式点:
- 使用 CSS 自定义属性(变量)来定义颜色,如
--hue
,--bg
,--fg
等。 - 样式通过媒体查询和 CSS 变量来适配不同的屏幕尺寸。
- 定义了按钮的默认状态、悬停状态和焦点状态的样式。
- 使用
:root
伪类来定义全局 CSS 变量。 - 使用
@keyframes
定义了多个动画,这些动画将用于SVG图像的动态效果。
JavaScript脚本
JavaScript脚本用于处理按钮点击事件,并切换页面的主题(亮色或暗色)。
window.addEventListener('DOMContentLoaded',()=>{...})
: 当文档加载完成后,执行一个匿名函数。const plugs=new Plugs('button')
: 创建Plugs
类的实例,并传递按钮的选择器。Plugs
类构造函数接受一个元素选择器,并为该元素添加点击事件监听器。toggleTheme
方法:当按钮被点击时,这个方法会被调用。- 它读取
aria-pressed
属性的当前值,并切换它(从true
到false
或相反)。 - 它还切换
data-dark
属性,这会影响页面的颜色主题。
- 它读取
SVG图像
SVG 图像用于创建一个可交互的插头图标,它包含多个动画路径,这些路径在按钮状态改变时会有不同的动画效果。
plugs__img-left
和plugs__img-right
分别代表插头的左右两侧。plugs__img-spark-1-x
,plugs__img-spark-2-x
,plugs__img-spark-3-x
是代表电火花的三条小路径,它们在按钮按下时会有动画效果。
这段代码是一个 HTML 页面,其中包含了一些内联的 CSS 样式和 JavaScript 脚本。
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8" /><title>LightOnOff</title><metaname="viewport"content="width=device-width, initial-scale=1, viewport-fit=cover"/><style>*{border:0;box-sizing:border-box;margin:0;padding:0;}:root{--hue:223;--bg:hsl(var(--hue),10%,10%);--fg:hsl(var(--hue),10%,90%);--primary:hsl(var(--hue),90%,50%);--primary2:hsl(var(--hue),90%,70%);--primary2-t:hsla(var(--hue),90%,70%,0);--border:hsl(var(--hue),10%,30%);--border-hover:hsl(var(--hue),10%,50%);--trans-dur:0.3s;--trans-timing:cubic-bezier(0.65,0,0.35,1);font-size:calc(14px + (70 - 14) * (100vw - 280px) / (3840 - 280));}body,button{color:var(--fg);font:1em/1.5 sans-serif;transition:background-color calc(var(--trans-dur) * 0.5) steps(1,end),box-shadow var(--trans-dur) var(--trans-timing),color calc(var(--trans-dur) * 0.5) steps(1,end);}body{background-color:var(--bg);display:flex;height:100vh;}.plugs{background-color:transparent;border-radius:0.375em;box-shadow:0 0 0 0.0625em var(--border),0 0 0 0.25em var(--primary2-t);cursor:pointer;display:block;margin:auto;outline:transparent;position:relative;-webkit-appearance:none;appearance:none;-webkit-tap-highlight-color:transparent;}.plugs:hover{box-shadow:0 0 0 0.0625em var(--border-hover),0 0 0 0.25em var(--primary2-t);}.plugs:focus-visible{box-shadow:0 0 0 0.0625em var(--primary),0 0 0 0.25em var(--primary2);}.plugs__img{display:block;position:relative;top:0;left:0;width:16em;height:auto;}.plugs__img-left,.plugs__img-left-seg,.plugs__img-left-head,.plugs__img-right,.plugs__img-right-seg,.plugs__img-right-head,.plugs__img-prong,.plugs__img-spark-1-x,.plugs__img-spark-1-y,.plugs__img-spark-2-x,.plugs__img-spark-2-y,.plugs__img-spark-3-x,.plugs__img-spark-3-y{animation-duration:calc(var(--trans-dur) * 3);animation-timing-function:var(--trans-timing);}.plugs__img-left-head,.plugs__img-right-head{transform-origin:2px 0;}.plugs__img-left{transform:translate(13px,10px) rotate(0);}.plugs__img-right{transform:translate(57px,10px) rotate(0);}.plugs__img-prong{stroke-dashoffset:0;}.plugs__img-spark-1-x,.plugs__img-spark-2-x,.plugs__img-spark-3-x{animation-timing-function:linear;}.plugs__img-spark-1-y,.plugs__img-spark-2-y,.plugs__img-spark-3-y{animation-timing-function:cubic-bezier(0.35,1,0.65,1);}.plugs[aria-pressed='false'] .plugs__img-left{animation-name:left-swing-tail-off;}.plugs[aria-pressed='false'] .plugs__img-left-seg{animation-name:left-swing-seg-off;}.plugs[aria-pressed='false'] .plugs__img-left-seg--flip{animation-name:left-swing-seg-off-2;}.plugs[aria-pressed='false'] .plugs__img-left-head{animation-name:left-swing-head-off;}.plugs[aria-pressed='false'] .plugs__img-right{animation-name:right-swing-tail-off;}.plugs[aria-pressed='false'] .plugs__img-right-seg{animation-name:right-swing-seg-off;}.plugs[aria-pressed='false'] .plugs__img-right-seg--flip{animation-name:right-swing-seg-off-2;}.plugs[aria-pressed='false'] .plugs__img-right-head{animation-name:right-swing-head-off;}.plugs[aria-pressed='false'] .plugs__img-prong{animation-name:prongs-off;animation-timing-function:cubic-bezier(0.35,0,0.65,0);}.plugs[aria-pressed='false'] .plugs__img-spark-1-x{animation-name:spark-1-x;}.plugs[aria-pressed='false'] .plugs__img-spark-1-y{animation-name:spark-1-y;}.plugs[aria-pressed='false'] .plugs__img-spark-2-x{animation-name:spark-2-x;}.plugs[aria-pressed='false'] .plugs__img-spark-2-y{animation-name:spark-2-y;}.plugs[aria-pressed='false'] .plugs__img-spark-3-x{animation-name:spark-3-x;}.plugs[aria-pressed='false'] .plugs__img-spark-3-y{animation-name:spark-3-y;}.plugs[aria-pressed='true'] .plugs__img-left{animation-name:left-swing-tail-on;transform:translate(13px,10px) rotate(-90deg);}.plugs[aria-pressed='true'] .plugs__img-left-seg{animation-name:left-swing-seg-on;}.plugs[aria-pressed='true'] .plugs__img-left-seg--flip{animation-name:right-swing-seg-on;}.plugs[aria-pressed='true'] .plugs__img-left-head{animation-name:left-swing-head-on;}.plugs[aria-pressed='true'] .plugs__img-right{animation-name:right-swing-tail-on;transform:translate(57px,10px) rotate(90deg);}.plugs[aria-pressed='true'] .plugs__img-right-seg{animation-name:right-swing-seg-on;}.plugs[aria-pressed='true'] .plugs__img-right-seg--flip{animation-name:left-swing-seg-on;}.plugs[aria-pressed='true'] .plugs__img-right-head{animation-name:right-swing-head-on;}.plugs[aria-pressed='true'] .plugs__img-prong{animation-name:prongs-on;animation-timing-function:cubic-bezier(0.35,1,0.65,1);stroke-dashoffset:2;}.plugs__label{overflow:hidden;position:absolute;width:0;height:0;}[data-dark='false']{--bg:hsl(var(--hue),10%,90%);--fg:hsl(var(--hue),10%,10%);--border:hsl(var(--hue),10%,70%);}[data-dark='false'] body,[data-dark='false'] button{transition-duration:calc(var(--trans-dur) * 2.25),var(--trans-dur),calc(var(--trans-dur) * 2.25);}@keyframes prongs-off{from{stroke-dashoffset:2;}17.5%,to{stroke-dashoffset:0;}}@keyframes left-swing-tail-off{from{transform:translate(13px,10px) rotate(-90deg);}25%{transform:translate(13px,10px) rotate(-32deg);}50%{transform:translate(13px,10px) rotate(2deg);}75%{transform:translate(13px,10px) rotate(-1deg);}to{transform:translate(13px,10px) rotate(0);}}@keyframes left-swing-seg-off{from{transform:translate(0,1px) rotate(0);}25%{transform:translate(0,1px) rotate(-10deg);}50%{transform:translate(0,1px) rotate(2deg);}75%{transform:translate(0,1px) rotate(-1deg);}to{transform:translate(0,1px) rotate(0);}}@keyframes left-swing-seg-off-2{from{transform:translate(0,1px) rotate(0);}25%{transform:translate(0,1px) rotate(10deg);}50%{transform:translate(0,1px) rotate(2deg);}75%{transform:translate(0,1px) rotate(-1deg);}to{transform:translate(0,1px) rotate(0);}}@keyframes left-swing-head-off{from{transform:translate(-2.5px,1px) rotate(0);}25%{transform:translate(-2.5px,1px) rotate(-10deg);}50%{transform:translate(-2.5px,1px) rotate(2deg);}75%{transform:translate(-2.5px,1px) rotate(-1deg);}to{transform:translate(-2.5px,1px) rotate(0);}}@keyframes right-swing-tail-off{from{transform:translate(57px,10px) rotate(90deg);}25%{transform:translate(57px,10px) rotate(32deg);}50%{transform:translate(57px,10px) rotate(-2deg);}75%{transform:translate(57px,10px) rotate(1deg);}to{transform:translate(57px,10px) rotate(0);}}@keyframes right-swing-seg-off{from{transform:translate(0,1px) rotate(0);}25%{transform:translate(0,1px) rotate(10deg);}50%{transform:translate(0,1px) rotate(-2deg);}75%{transform:translate(0,1px) rotate(1deg);}to{transform:translate(0,1px) rotate(0);}}@keyframes right-swing-seg-off-2{from{transform:translate(0,1px) rotate(0);}25%{transform:translate(0,1px) rotate(-10deg);}50%{transform:translate(0,1px) rotate(-2deg);}75%{transform:translate(0,1px) rotate(1deg);}to{transform:translate(0,1px) rotate(0);}}@keyframes right-swing-head-off{from{transform:translate(-2.5px,1px) rotate(0);}25%{transform:translate(-2.5px,1px) rotate(10deg);}50%{transform:translate(-2.5px,1px) rotate(-2deg);}75%{transform:translate(-2.5px,1px) rotate(1deg);}to{transform:translate(-2.5px,1px) rotate(0);}}@keyframes prongs-on{from,70%{stroke-dashoffset:0;}90%,to{stroke-dashoffset:2;}}@keyframes left-swing-tail-on{from{transform:translate(13px,10px) rotate(0);}50%{transform:translate(13px,10px) rotate(-32deg);}to{transform:translate(13px,10px) rotate(-90deg);}}@keyframes left-swing-seg-on{from{transform:translate(0,1px) rotate(0);}50%{transform:translate(0,1px) rotate(-10deg);}to{transform:translate(0,1px) rotate(0);}}@keyframes left-swing-head-on{from{transform:translate(-2.5px,1px) rotate(0);}50%{transform:translate(-2.5px,1px) rotate(-10deg);}to{transform:translate(-2.5px,1px) rotate(0);}}@keyframes right-swing-tail-on{from{transform:translate(57px,10px) rotate(0);}50%{transform:translate(57px,10px) rotate(32deg);}to{transform:translate(57px,10px) rotate(90deg);}}@keyframes right-swing-seg-on{from{transform:translate(0,1px) rotate(0);}50%{transform:translate(0,1px) rotate(10deg);}to{transform:translate(0,1px) rotate(0);}}@keyframes right-swing-head-on{from{transform:translate(-2.5px,1px) rotate(0);}50%{transform:translate(-2.5px,1px) rotate(10deg);}to{transform:translate(-2.5px,1px) rotate(0);}}@keyframes spark-1-x{from,12.5%{r:1px;transform:translate(0,0);}37.5%,to{r:0;transform:translate(-10px,0);}}@keyframes spark-1-y{from{animation-timing-function:steps(1,end);transform:translate(0,0);visibility:hidden;}12.5%{animation-timing-function:linear;transform:translate(0,0);visibility:visible;}37.5%,to{transform:translate(0,-9px);}}@keyframes spark-2-x{from,12.5%{r:1px;transform:translate(0,0);}37.5%,to{r:0;transform:translate(4px,0);}}@keyframes spark-2-y{from{animation-timing-function:steps(1,end);transform:translate(0,0);visibility:hidden;}12.5%{animation-timing-function:linear;transform:translate(0,0);visibility:visible;}37.5%,to{transform:translate(0,-8px);}}@keyframes spark-3-x{from,12.5%{r:1px;transform:translate(0,0);}37.5%,to{r:0;transform:translate(-1px,0);}}@keyframes spark-3-y{from{animation-timing-function:steps(1,end);transform:translate(0,0);visibility:hidden;}12.5%{animation-timing-function:linear;transform:translate(0,0);visibility:visible;}37.5%,to{transform:translate(0,8px);}}</style></head><body><button class="plugs"type="button"><svg class="plugs__img"viewBox="0 0 70 35"width="700px"height="350px"aria-hidden="true"><g fill="none"stroke="currentcolor"stroke-linecap="round"stroke-width="1"><g class="plugs__img-left"transform="translate(13,10)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg plugs__img-left-seg--flip"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg plugs__img-left-seg--flip"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg plugs__img-left-seg--flip"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg plugs__img-left-seg--flip"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-seg plugs__img-left-seg--flip"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-left-head"transform="translate(-2.5,1)"><rect rx="1"ry="1"x="0"y="0"width="5"height="6"/><polyline class="plugs__img-prong"points="1 6,1 8"stroke-dasharray="2 2"/><polyline class="plugs__img-prong"points="4 6,4 8"stroke-dasharray="2 2"/></g></g></g></g></g></g></g></g></g></g></g></g></g></g></g></g></g><g class="plugs__img-right"transform="translate(57,10)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg plugs__img-right-seg--flip"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg plugs__img-right-seg--flip"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg plugs__img-right-seg--flip"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg plugs__img-right-seg--flip"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-seg plugs__img-right-seg--flip"transform="translate(0,1)"><polyline points="0 0,0 1"/><g class="plugs__img-right-head"transform="translate(-2.5,1)"><rect rx="1"ry="1"x="0"y="0"width="5"height="6"/></g></g></g></g></g></g></g></g></g></g></g></g></g></g></g></g></g></g><g fill="currentcolor"transform="translate(35,10)"><g class="plugs__img-spark-1-y"><circle class="plugs__img-spark-1-x"r="0"cy="-1"/></g><g class="plugs__img-spark-2-y"><circle class="plugs__img-spark-2-x"r="0"cy="0"/></g><g class="plugs__img-spark-3-y"><circle class="plugs__img-spark-3-x"r="0"cy="1"/></g></g></svg><span class="plugs__label">Power</span></button><script>'use strict';window.addEventListener('DOMContentLoaded',()=>{const plugs=new Plugs('button')});class Plugs{constructor(buttonEl){var _a;this.button=document.querySelector(buttonEl);(_a=this.button)===null||_a===void 0?void 0:_a.addEventListener('click',this.toggleTheme.bind(this))}toggleTheme(){var _a,_b;const pressed=((_a=this.button)===null||_a===void 0?void 0:_a.getAttribute('aria-pressed'))==='true';(_b=this.button)===null||_b===void 0?void 0:_b.setAttribute('aria-pressed',`${!pressed}`);document.documentElement.setAttribute('data-dark',`${pressed}`)}}</script></body>
</html>
整体来说,这个 HTML 页面实现了一个动态的开关按钮,用户可以通过点击按钮来在亮色和暗色主题之间切换。
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