<kbd>S</kbd>
<span class="sound">clap</span>
</div>
<div data-key="68" class="key">
<kbd>D</kbd>
<span class="sound">clap</span>
</div>
<div data-key="70" class="key">
<kbd>F</kbd>
<span class="sound">clap</span>
</div>
<div data-key="71" class="key">
<kbd>G</kbd>
<span class="sound">clap</span>
</div>
<div data-key="72" class="key">
<kbd>H</kbd>
<span class="sound">clap</span>
</div>
<div data-key="74" class="key">
<kbd>J</kbd>
<span class="sound">clap</span>
</div>
<div data-key="75" class="key">
<kbd>K</kbd>
<span class="sound">clap</span>
</div>
<div data-key="76" class="key">
<kbd>L</kbd>
<span class="sound">clap</span>
</div>
<div data-key="90" class="key">
<kbd>Z</kbd>
<span class="sound">clap</span>
</div>
<div data-key="88" class="key">
<kbd>X</kbd>
<span class="sound">clap</span>
</div>
<div data-key="67" class="key">
<kbd>C</kbd>
<span class="sound">clap</span>
</div>
<div data-key="86" class="key">
<kbd>V</kbd>
<span class="sound">clap</span>
</div>
<div data-key="66" class="key">
<kbd>B</kbd>
<span class="sound">clap</span>
</div>
<div data-key="78" class="key">
<kbd>N</kbd>
<span class="sound">clap</span>
</div>
<div data-key="77" class="key">
<kbd>M</kbd>
<span class="sound">clap</span>
</div>
</div>
<div id='btn'>提交数据</div>
<audio data-key="81" src="sounds/clap.wav"></audio>
css:
*{
margin:0;
padding:0;
}
.top{
width:100%;
height:100px;
}
.top i{
font-size: 24px;
}
.top-left{
width:20%;
height:100%;
float:left;
text-align: center;
line-height: 100px;
position: relative;
}
.top-left .cls5{
position: absolute;
left:40px;
}
.top-middle{
width:50%;
height:100%;
float:left;
text-align: center;
line-height: 100px;
position:relative;
}
.top-middle .cls1{
position: absolute;
left:30px;
}
.top-middle .cls2{
position: absolute;
left:60px;
}
.top-middle .cls3{
position: absolute;
right:500px;
}
.top-middle .container{
width:300px;
height:40px;
border:1px solid whitesmoke;
border-radius: 10px;
position:absolute;
left:100px;
top:30px;
text-align: center;
line-height: 40px;
}
.top-middle .container .cls4{
position: absolute;
left:20px;
}
.top-right{
width:30%;
height:100%;
float:right;
}
.top-right ul{
list-style: none;
text-align: center;
height:100px;
line-height:100px ;
}
.top-right ul li{
float:right;
margin:0 20px 0 20px;
}
.bottom{
width:100%;
height:100px;
margin-top:710px;
}
.bottom i{
font-size: 24px;
}
.bottom-left{
width:20%;
height:100px;
line-height: 100px;
float:left;
text-align: center;
}
.bottom-left ul{
list-style: none;
}
.bottom-left ul li{
float:left;
margin:0 30px 0 30px;
}
.bottom-mid{
width:50%;
height:100px;
line-height: 100px;
float:left;
}
.bottom-mid ul{
list-style: none;
}
.bottom-mid ul li{
float:left;
margin: auto 50px;
}
.bot-mid-top{
width:100%;
height:60px;
text-align: center;
line-height: 50px;
}
.bot-mid-top .clf1{
margin-left:250px;
}
.bot-mid-bot{
width:100%;
height:40px;
line-height: 40px;
}
.bot-mid-bot .item{
width:80%;
border:1px solid #333;
border-radius: 3px;
height:9px;
margin-top:12px;
margin-left:100px;
}
.bottom-right{
width:30%;
height:100px;
line-height: 100px;
float:left;
}
.bottom-right ul{
list-style: none;
}
.bottom-right ul li{
float:left;
margin:0 30px 0 30px;
}
.bottom-right ul .clf2{
margin-left:200px;
}
js:
let audioArr = []
function removeClass(e) {
let key = document.querySelector(div[data-key="${e.keyCode})
let audio = document.querySelector(audio[data-key="${e.keyCode}"])
key.classList.remove(‘playing’)
audioArr.push(audio)
}
function playAudio(e) {
let key = document.querySelector(div[data-key="${e.keyCode})
let audio = document.querySelector(audio[data-key="${e.keyCode}"])
key.classList.add(‘playing’)
//audio.currentTime = 0; // 每次播放之后都使音频播放进度归零
if (!audio) return;
audio.play()
}
window.addEventListener(‘keydown’, e => playAudio(e))
window.addEventListener(‘keyup’, e => removeClass(e))
const btn = document.getElementById(‘btn’)
function Play() {
const self=this
const item1=setInterval(function(){
self.i++
console.log(self.i)
audioArr[self.i-2].play()
if(self.i>audioArr.length){
clearInterval(item1)
}
}, 200);
}
let obj={
i:1
}
function bind(){
Play.call(obj)
}
btn.addEventListener(“click”,bind)
---
## 2.图片自动消失
>
> 一张图片，在其右上角放置一个div
>
>
> ，分别得到那个元素，在div中插入数字
>
>
> 开启一个定时器，每隔一段时间减一。
>
>
> 直到为0.图片消失
>
>
>
yy3.小轮播图
放置三张图片，移动到那个图片，
改变他的偏移量。
*{
padding:0;
margin:0;
}
body,html{
width:100%;
overflow:hidden;
}
#wrap1{
width:100%;
position:absolute;
bottom:0;
left:0;
text-align: center;
}
#wrap1>img{
width:64px;
}
</style>
</head>
<body>
<div id="wrap1">
<img src="img/1.png" />
<img src="img/2.png" />
<img src="img/3.png" />
<img src="img/4.png" />
<img src="img/5.png" />
</div>
<script type="text/javascript">
window.onload=function(){
var r=320
var imgNodes=document.querySelectorAll("#wrap1>img")
document.onmousemove=function(ev){
ev=ev||event
for(var i=0;i<imgNodes.length;i++){
var a= imgNodes[i].getBoundingClientRect().top+imgNodes[i].offsetHeight/2-ev.clientY
var b= imgNodes[i].getBoundingClientRect().right+ imgNodes[i].offsetWidth/2-ev.clientX
var c=Math.sqrt(a*a+b*b)
if(c>=r){
c=r
}
imgNodes[i].style.width=128-c*0.2+'px'
}
}
}
</script>
既有适合小白学习的零基础资料，也有适合3年以上经验的小伙伴深入学习提升的进阶课程，涵盖了95%以上大数据知识点，真正体系化！
由于文件比较多，这里只是将部分目录截图出来，全套包含大厂面经、学习笔记、源码讲义、实战项目、大纲路线、讲解视频，并且后续会持续更新
需要这份系统化资料的朋友，可以戳这里获取
if(c>=r){
c=r
}
imgNodes[i].style.width=128-c*0.2+'px'
}
}
}
[外链图片转存中…(img-oF0zQhKI-1714224206585)]
[外链图片转存中…(img-vKRDbgXZ-1714224206585)]
[外链图片转存中…(img-drn1kFto-1714224206585)]
既有适合小白学习的零基础资料，也有适合3年以上经验的小伙伴深入学习提升的进阶课程，涵盖了95%以上大数据知识点，真正体系化！
由于文件比较多，这里只是将部分目录截图出来，全套包含大厂面经、学习笔记、源码讲义、实战项目、大纲路线、讲解视频，并且后续会持续更新
需要这份系统化资料的朋友，可以戳这里获取
