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廢話不多說上代碼!
normalize.css
article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section,summary{display:block;}audio,canvas,video{display:inline-block;}audio:not([controls]){display:none;height:0;}[hidden]{display:none;}html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;}body{margin:0;}a:focus{outline:thin dotted;}a:active,a:hover{outline:0;}h1{font-size:2em;margin:0.67em 0;}abbr[title]{border-bottom:1px dotted;}b,strong{font-weight:bold;}dfn{font-style:italic;}hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0;}mark{background:#ff0;color:#000;}code,kbd,pre,samp{font-family:monospace,serif;font-size:1em;}pre{white-space:pre-wrap;}q{quotes:"1C" "1D" "18" "19";}small{font-size:80%;}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline;}sup{top:-0.5em;}sub{bottom:-0.25em;}img{border:0;}svg:not(:root){overflow:hidden;}figure{margin:0;}fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:0.35em 0.625em 0.75em;}legend{border:0;padding:0;}button,input,select,textarea{font-family:inherit;font-size:100%;margin:0;}button,input{line-height:normal;}button,select{text-transform:none;}button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer;}button[disabled],html input[disabled]{cursor:default;}input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0;}input[type="search"]{-webkit-appearance:textfield;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;box-sizing:content-box;}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none;}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0;}textarea{overflow:auto;vertical-align:top;}table{border-collapse:collapse;border-spacing:0;}
zzsc.css
body, html { font-size: 100%; padding: 0; margin: 0;}
/* Reset */
*,
*:after,
*:before {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
/* Clearfix hack by Nicolas Gallagher: http://nicolasgallagher.com/micro-clearfix-hack/ */
.clearfix:before,
.clearfix:after {
content: " ";
display: table;
}
.clearfix:after {
clear: both;
}
body{
background: #494A5F;
color: #D5D6E2;
font-weight: 500;
font-size: 1.05em;
font-family: "Microsoft YaHei","Segoe UI", "Lucida Grande", Helvetica, Arial,sans-serif;
}
a{ color: rgba(255, 255, 255, 0.6);outline: none;text-decoration: none;-webkit-transition: 0.2s;transition: 0.2s;}
a:hover,a:focus{color:#74777b;text-decoration: none;}
網站代碼
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>HTML5 Canvas逼真水波紋動畫特效</title>
<link rel="stylesheet" type="text/css" href="css/normalize.css" />
<link rel="stylesheet" type="text/css" href="css/zzsc.css">
<script src="js/jquery-1.11.0.min.js" type="text/javascript"></script>
<script type="text/javascript" src="js/jquery.waterrippleeffect.min.js"></script>
<style type="text/css">
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, font, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td {
margin: 0;
padding: 0;
border: 0;
outline: 0;
font-size: 100%;
vertical-align: baseline;
/*background: transparent;*/
box-sizing: border-box;
}
body {
overflow: hidden;
}
.container{
width: 480px;
height: 480px;
margin:20px auto;
position: relative;
}
.clear {
clear: both;
height: 0;
font-size: 0;
line-height: 0;
}
</style>
<script>
$( document ).ready( function() {
//------------------------------------------------------------------------
$( '#preloaderDiv' ).delay( 1000 ).fadeTo( 1000 , 0, function() {
$( this ).css( 'display', 'none' );
} );
$( '#startDiv' ).css( 'cursor', 'pointer' ).click( function() {
//$( this ).css( 'display', 'none' );
$( this ).delay( 10 ).fadeTo( 1000 , 0, function() {
$( this ).css( 'display', 'none' );
} );
init();
} );
//------------------------------------------------------------------------
function init() {
//Settings - params for WaterRippleEffect
var settings = {
image: './img/SwimmingPool.jpg',//image path
rippleRadius: 3,//radius of the ripple
width: 480,//width
height: 480,//height
delay: 1,//if auto param === true. 1 === 1 second delay for animation
auto: true//if auto param === true, animation starts on it′s own
};
//------------------------------------------------------------------------
//standalone
//init
var waterRippleEffect = new WaterRippleEffect( document.getElementById( 'holder' ), settings );
document.getElementById( 'holder' ).style.cursor = 'pointer';
//on click
document.getElementById( 'holder' ).addEventListener( 'click', function( e ) {
var mouseX = e.layerX;
var mouseY = e.layerY;
waterRippleEffect.disturb( mouseX, mouseY );
} );
//on mousemove
document.getElementById( 'holder' ).addEventListener( 'mousemove', function( e ) {
var mouseX = e.layerX;
var mouseY = e.layerY;
waterRippleEffect.disturb( mouseX, mouseY );
} );
//------------------------------------------------------------------------
//jQuery
//init
/*
$( '#holder' ).waterRippleEffect( settings );
$( '#holder' ).css( 'cursor', 'pointer' );
*/
//on click
/*
$( '#holder' ).click( function( e ) {
var mouseX = e.pageX - $( this ).offset().left;
var mouseY = e.pageY - $( this ).offset().top;
$( '#holder' ).waterRippleEffect( "disturb", mouseX, mouseY );
} );
*/
//on mousemove
/*
$( '#holder' ).mousemove( function( e ) {
var mouseX = e.pageX - $( this ).offset().left;
var mouseY = e.pageY - $( this ).offset().top;
$( '#holder' ).waterRippleEffect( "disturb", mouseX, mouseY );
} );
*/
};
//------------------------------------------------------------------------
} );
</script>
</head>
<body><script src="/demos/googlegg.js"></script>
<div>
<div id='holder' style='width:480px; height:480px; position:absolute;'></div>
<div id='startDiv' style='background-color:#000; position:absolute; width:480px; height:480px;'>
<img src='img/startBt.jpg' width='480px' height='480px' alt='Start' style='position:absolute; top:50%; left:50%; margin-top:-240px; margin-left:-240px;'>
</div>
<div id='preloaderDiv' style='background-color:#000; position:absolute; width:480px; height:480px; pointer-events:none'>
<img src='img/PreloaderDark.gif' width='44px' height='48px' alt='Preloader' style='position:absolute; top:50%; left:50%; margin-top:-22px; margin-left:-24px;'>
</div>
</div>
<div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';">
<p>適用瀏覽器:360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗. 不支持IE8及以下瀏覽器。</p>
<p>來源:<a target="_blank">素材</a></p>
</div>
</body>
</html>
畫特效
廢話不多說,上代碼!
歡迎各位大爺關注!每日都有精品特效代碼 分享哦!
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>js+css3催眠波紋動畫特效</title>
<style>
:root {
--r: 17;
--g: 206;
--b: 142;
--bg: #121212;
}
html {
background: var(--bg);
-webkit-transition: background 2s ease-in-out;
transition: background 2s ease-in-out;
}
.circle {
--scale: 1;
position: absolute;
top: 50%;
left: 50%;
-webkit-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
border-radius: 50%;
width: var(--size);
height: var(--size);
-webkit-animation: pulse 3s infinite ease-in-out;
animation: pulse 3s infinite ease-in-out;
-webkit-transition: background 2s ease-in-out;
transition: background 2s ease-in-out;
/* apparently having using var in rgb breaks sass... */
background: rgb(var(--r), var(--g), var(--b));
mix-blend-mode: luminosity;
}
/*
support for FF :sob:
FF doesn't support calc
in animation delay or opacity
so I can't use a for loop:
https://bugzilla.mozilla.org/show_bug.cgi?id=1318305
...I'm not proud of this
*/
.circle--1 {
opacity: 1;
-webkit-animation-delay: 0.12s;
animation-delay: 0.12s;
}
.circle--2 {
opacity: 0.5;
-webkit-animation-delay: 0.24s;
animation-delay: 0.24s;
}
.circle--3 {
opacity: 0.3333;
-webkit-animation-delay: 0.36s;
animation-delay: 0.36s;
}
.circle--4 {
opacity: 0.25;
-webkit-animation-delay: 0.48s;
animation-delay: 0.48s;
}
.circle--5 {
opacity: 0.2;
-webkit-animation-delay: 0.6s;
animation-delay: 0.6s;
}
.circle--6 {
opacity: 0.1666;
-webkit-animation-delay: 0.72s;
animation-delay: 0.72s;
}
.circle--1 {
--size: calc(50px * 1);
}
@media (min-width: 700px) {
.circle--1 {
--size: calc(7vw * 1);
}
}
@media (min-width: 1000px) {
.circle--1 {
--size: calc(70px * 1);
}
}
.circle--2 {
--size: calc(50px * 2);
}
@media (min-width: 700px) {
.circle--2 {
--size: calc(7vw * 2);
}
}
@media (min-width: 1000px) {
.circle--2 {
--size: calc(70px * 2);
}
}
.circle--3 {
--size: calc(50px * 3);
}
@media (min-width: 700px) {
.circle--3 {
--size: calc(7vw * 3);
}
}
@media (min-width: 1000px) {
.circle--3 {
--size: calc(70px * 3);
}
}
.circle--4 {
--size: calc(50px * 4);
}
@media (min-width: 700px) {
.circle--4 {
--size: calc(7vw * 4);
}
}
@media (min-width: 1000px) {
.circle--4 {
--size: calc(70px * 4);
}
}
.circle--5 {
--size: calc(50px * 5);
}
@media (min-width: 700px) {
.circle--5 {
--size: calc(7vw * 5);
}
}
@media (min-width: 1000px) {
.circle--5 {
--size: calc(70px * 5);
}
}
.circle--6 {
--size: calc(50px * 6);
}
@media (min-width: 700px) {
.circle--6 {
--size: calc(7vw * 6);
}
}
@media (min-width: 1000px) {
.circle--6 {
--size: calc(70px * 6);
}
}
@-webkit-keyframes pulse {
0% {
-webkit-transform: translate(-50%, -50%) scale(1);
transform: translate(-50%, -50%) scale(1);
}
25% {
-webkit-transform: translate(-50%, -50%) scale(1.3);
transform: translate(-50%, -50%) scale(1.3);
}
50% {
-webkit-transform: translate(-50%, -50%) scale(0.70);
transform: translate(-50%, -50%) scale(0.70);
}
75% {
-webkit-transform: translate(-50%, -50%) scale(1);
transform: translate(-50%, -50%) scale(1);
}
}
@keyframes pulse {
0% {
-webkit-transform: translate(-50%, -50%) scale(1);
transform: translate(-50%, -50%) scale(1);
}
25% {
-webkit-transform: translate(-50%, -50%) scale(1.3);
transform: translate(-50%, -50%) scale(1.3);
}
50% {
-webkit-transform: translate(-50%, -50%) scale(0.70);
transform: translate(-50%, -50%) scale(0.70);
}
75% {
-webkit-transform: translate(-50%, -50%) scale(1);
transform: translate(-50%, -50%) scale(1);
}
}
</style>
</head>
<body><script src="/demos/googlegg.js"></script>
<div class='circle circle--1'></div>
<div class='circle circle--2'></div>
<div class='circle circle--3'></div>
<div class='circle circle--4'></div>
<div class='circle circle--5'></div>
<div class='circle circle--6'></div>
<script type="text/javascript">
function getRandomNumber() {
return Math.floor(Math.random() * 255);
}
function getBrightness(r, b, g) {
// brightness calculation from http://alienryderflex.com/hsp.html
return Math.sqrt(
0.299 * (r * r) +
0.587 * (g * g) +
0.114 * (b * b)
);
}
setInterval(()=> {
const r = getRandomNumber(),
g = getRandomNumber(),
b = getRandomNumber(),
brightness = getBrightness(r,g,b);
document.documentElement.style.setProperty(`--r`, r);
document.documentElement.style.setProperty(`--g`, g);
document.documentElement.style.setProperty(`--b`, b);
let bgColor;
if (brightness > 40) {
bgColor = '#121212';
} else {
bgColor = '#BDBCBF';
}
document.documentElement.style.setProperty(`--bg`, bgColor);
}, 2000);
</script>
<div style="text-align:center;margin:35px 0; font:normal 14px/24px 'MicroSoft YaHei';color:#ffffff">
<p>適用瀏覽器:360、FireFox、Chrome、Opera、傲游、搜狗、世界之窗. 不支持Safari、IE8及以下瀏覽器。</p>
<p>來源:<a target="_blank">素材</a></p>
</div>
</body>
</html>
SS偽元素主要是指HTML中沒有定義、存在的元素,偽元素本身不是真正的頁面元素,但是偽元素在使用過程中,其用法與效果與其他真正頁面元素是一樣的。偽元素只能在定義基礎上動態顯示其運行效果,在HTML源文件中并沒有該元素的真正代碼。CSS3中所定義的所有偽元素與偽類描述如下圖所示:
CSS偽元素與偽類
ripple波紋
按鈕的波紋效果主要是指按鈕在點擊時展示出的動態效果。在實現效果過程中可行的方法方式較多,例如可以使用JavaScript、CSS動畫、JQuery等。網上目前按鈕波紋實現效果較多,部分樣式效果展示如下:
波紋效果展示
CSS偽類波紋效果主要借助于before、after偽類與hover懸停選擇器等實現類似波紋效果,本文主要借助after及hover等實現按鈕的波紋效果,本例設計兩種類似波紋效果,最終實現效果展示如下圖所示:
設計樣式1
設計樣式2
本文設計實現的兩類波紋效果樣式描述如上圖gif所示,其實現過程描述如下:
1、按鈕基本樣式設計
本例按鈕基本樣式主要包括寬度、高度、背景顏色等。使用元素選擇器與類選擇器定義了按鈕元素的基本樣式,其樣式實現代碼描述如下:
button,.button2,.button{width: 200px; height: 50px; background-color: green;border: 0; cursor: pointer;color: #FFF; font-size: 16px; position: relative;}
.button類主要用以實現設計樣式1,.button2類主要用于實現設計效果2,兩類按鈕定義描述如下:
<button type="button" class="button">Ripple1</button> <button type="button" class="button2">Ripple2</button>
2、after偽元素使用
after偽元素主要用于實現在指定元素的后面添加新的內容。本例提供的兩種設計方式都是在button元素的后面添加新的類似div的新元素,其中樣式1,新添加的元素與button本身重合,尺寸也一致。設計樣式2中after元素位于button的底部位置,寬度與button相同,高度為指定尺寸5px。兩個設計中after元素樣式為實現動態展開效果都涉及寬度width為0。after元素的樣式定義如下:
.button::after{content: " "; width: 0; height: 50px; position: absolute; left:50%;top: 0%;background-color: red;opacity: 0; transition: all .4s; } .button2::after{content: " "; width: 0; height: 5px; position: absolute; left:50%;top: 100%;background-color: red;transition: all .4s; }
after元素CSS樣式定義中使用了transition屬性實現動畫效果,即在0.4s內實現寬度從0改變為100%。
3、hover選擇器的使用
hover選擇器為懸停選擇器,主要對鼠標在HTML元素懸停時樣式進行設置。本例兩個涉及效果都是借助hover懸停選擇器對after樣式進行設置,在初始化設置寬度為0的基礎上寬度改變為100%,最終實現兩端伸展的效果。hover選擇器定義after元素樣式描述如下所示:
.button:hover::after{left:0%; width: 100%; opacity: 0.6;} .button2:hover::after{left:0%; width: 100%;}
以上給出了CSS偽元素實現波紋效果,主要借助了after、before偽元素與hover懸停選擇器等。設計實現效果完整源文件截圖如下:
案例完整代碼
以上給出了JavaScript中的事件基本概念及案例分析,如有問題可在評論區討論。本頭條號長期關注編程資訊分享;編程課程、素材、代碼分享及編程培訓。如果您對以上方面有興趣或代碼錯誤、建議與意見,可以聯系作者,共同探討。期待大家關注!相關文章鏈接如下:
前端開發-JavaScript中的事件(Event)及事件處理總結
前端開發-CSS3動畫實現焦點(圖文輪播)圖效果
前端開發-JavaScript DOM動態生成文本框
前端設計-教你如何快速繪制HTML5動畫
前端設計-響應式頁面開發基礎
前端設計-Ajax技術及實例展示
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