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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta http-equiv="X-UA-Compatible" content="IE=edge">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <style>
- .topback{
- position:fixed;
- bottom:50%;
- right:0;
- background-color:green;
- }
- .topback .toppback {
- position:absolute;
- top:0;
- left:0;
- width:160px;
- height:50px;
- text-align:left;
- line-height:50px;
- background-color:green;
- z-index:-1;
- }
- .topback i{
- display:inline-block;
- width:50px;
- height:50px;
- text-align:center;
- line-height:50px;
- background-color:green;
- cursor:pointer;
- }
- .problem{
- border-top:1px solid gray;
- position:fixed;
- bottom:39.5%;
- right:0;
- background-color:green;
- color:gray;
- font-size:30px;
- }
- .problem .problemm{
- position:absolute;
- top:0;
- left:0;
- width:160px;
- height:50px;
- text-align:left;
- line-height:50px;
- background-color:green;
- z-index:-1;
- }
- .problem .jiantou{
- display:inline-block;
- width:50px;
- height:50px;
- text-align:center;
- line-height:50px;
- background-color:green;
- cursor:pointer;
- }
- </style>
- </head>
- <body>
- <div class="topback">
- <span><a href="#"><i></i></a></span>
- <div class="toppback"><a href="#">返回顶部</a></div>
- </div>
- <div class="problem">
- <span class="jiantou">⬅<span>
- <div class="problemm">问题反馈</div>
- </div>
- <script src="/js/index.js"></script>
- <script>
- function animate( obj, target, callback){
- clearInterval(obj.timer);
- obj.timer=setInterval(function(){
- var step=(target-obj.offsetLeft)/10;
- step=step>0?Math.ceil(step):Math.floor(step);
- if(obj.offsetLeft==target){
- clearInterval(obj.timer);
- if(callback){
- callback();
- }
- }
- obj.style.left=obj.offsetLeft+step+'px';
- },30);
- }
- var topback=document.querySelector('.topback');
- var toppback=document.querySelector('.toppback');
- topback.addEventListener('mouseenter',function(){
- animate(toppback,-65,function(){
- topback.addEventListener('mouseleave',function(){
- animate(toppback,0);
- });
- });
- });
- var jiantou=querySelector('.jiantou');
- var problem=querySelector('.problem');
- var problemm=querySelector('.problemm');
- problem.addEventListener('mouseenter',function(){
- animate(problemm,-65,function(){
- problem.addEventListener('mouseleave',function(){
- animate(problemm,0);
- });
- });
- });
- </script>
- </body>
- </html>
复制代码
本帖最后由 isdkz 于 2022-4-17 18:40 编辑
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta http-equiv="X-UA-Compatible" content="IE=edge">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <style>
- .topback{
- position:fixed;
- bottom:50%;
- right:0;
- background-color:green;
- }
- .topback .toppback {
- position:absolute;
- top:0;
- left:0;
- width:160px;
- height:50px;
- text-align:left;
- line-height:50px;
- background-color:green;
- z-index:-1;
- }
- .topback i{
- display:inline-block;
- width:50px;
- height:50px;
- text-align:center;
- line-height:50px;
- background-color:green;
- cursor:pointer;
- }
- .problem{
- border-top:1px solid gray;
- position:fixed;
- bottom:39.5%;
- right:0;
- background-color:green;
- color:gray;
- font-size:30px;
- }
- .problem .problemm{
- position:absolute;
- top:0;
- left:0;
- width:160px;
- height:50px;
- text-align:left;
- line-height:50px;
- background-color:green;
- z-index:-1;
- }
- .problem .jiantou{
- display:inline-block;
- width:50px;
- height:50px;
- text-align:center;
- line-height:50px;
- background-color:green;
- cursor:pointer;
- }
- </style>
- </head>
- <body>
- <div class="topback">
- <span><a href="#"><i></i></a></span>
- <div class="toppback"><a href="#">返回顶部</a></div>
- </div>
- <div class="problem">
- <span class="jiantou">⬅<span>
- <div class="problemm">问题反馈</div>
- </div>
- <script src="./js/index.js"></script> <!-- 这里使用相对路径 -->
- <script>
- function animate( obj, target, callback){
- clearInterval(obj.timer);
- obj.timer=setInterval(function(){
- var step=(target-obj.offsetLeft)/10;
- step=step>0?Math.ceil(step):Math.floor(step);
- if(obj.offsetLeft==target){
- clearInterval(obj.timer);
- if(callback){
- callback();
- }
- }
- obj.style.left=obj.offsetLeft+step+'px';
- },30);
- }
- var topback=document.querySelector('.topback');
- var toppback=document.querySelector('.toppback');
- topback.addEventListener('mouseenter',function(){
- animate(toppback,-65,function(){
- topback.addEventListener('mouseleave',function(){
- animate(toppback,0);
- });
- });
- });
- var jiantou=document.querySelector('.jiantou'); // 这里少了 document.
- var problem=document.querySelector('.problem'); // 这里少了 document.
- var problemm=document.querySelector('.problemm'); // 这里少了 document.
- problem.addEventListener('mouseenter',function(){
- animate(problemm,-65,function(){
- problem.addEventListener('mouseleave',function(){
- animate(problemm,0);
- });
- });
- });
- </script>
- </body>
- </html>
复制代码
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