使用jquery或其他javascript在指定时间间隔内更改网格中的图像
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内容图文
我正在尝试开发一个图像网格,该图像网格使用jquery或任何其他JavaScript方法以指定的间隔随机更改一些图像.请注意,我不需要同时更改所有图像.与其他一组图像相比,一组图像可以在不同的时间间隔内更改.
图像相对于父div绝对定位,因此它可以淡入,而另一个淡出直到到达最后一个阶段.
我完全不了解如何实现这一目标.有人可以帮我吗？以下是我的代码
(function(){
let first = $('.column1 img:gt(0)');
first.hide();
let images = $('.column1').find('img');
setInterval(function(){
let current = $('.column1 img:visible');
let next = current.next().length ? current.next():$('.column1 img:eq(0)');
current.fadeOut(300);
next.fadeIn(300);
}, 3000);
});#main__slider{
width:40rem;
height:25rem;
margin: 0 auto;
display:grid;
grid-template-columns: repeat(3, 1fr);
grid-template-rows: repeat(3, 1fr)
}
.column1{
border:1px solid;
position:relative;
}
img{
width:100%;
height:100%;
object-fit:cover;
position:absolute;
}<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="main__slider">
<div class="column1">
<img src="https://www.arup.com/-/media/arup/images/perspectives/themes/cities/cities-alive/cities-alive-header.jpg?h=1125&la=en&w=2000&hash=415B3F648DFB5F1822DD43328B988A2C78318E7F" alt="">
<img src="https://livability.com/sites/default/files/Great%20Cities%20for%20Filmmakers.jpg" alt="">
</div>
<div class="column1">
<img src="https://www.cesarsway.com/sites/newcesarsway/files/styles/large_article_preview/public/Common-dog-behaviors-explained.jpg?itok=FSzwbBoi" alt="">
<img src="https://d17fnq9dkz9hgj.cloudfront.net/uploads/2018/03/Pomeranian_01.jpeg" alt="">
</div>
<div class="column1">
<img src="https://i.kinja-img.com/gawker-media/image/upload/s--vHt6tbFa--/c_scale,f_auto,fl_progressive,q_80,w_800/xjmx1csashjww8j8jwyh.jpg" alt="">
<img src="https://www.drdavidludwig.com/wp-content/uploads/2017/01/1-RIS_6IbCLYv1X3bzYW1lmA.jpeg" alt="">
</div>
<div class="column1">
<img src="https://www.railengineer.uk/wp-content/uploads/2017/10/AT300_HULL-TRAINS_with-logo.jpg" alt="">
<img src="https://www.virginexperiencedays.co.uk/content/img/product/large/steam-train-trip-17104839.jpg" alt="">
</div>
<div class="column1">
<img src="https://www.healthline.com/hlcmsresource/images/topic_centers/977-When_do_girls_stop_growing-732x549-thumbnail.jpg" alt="">
<img src="https://images.askmen.com/1080x540/2018/09/06-125712-how_to_talk_to_girls_on_tinder.jpg" alt="">
</div>
<div class="column1">
<img src="https://www.familyeducation.com/sites/default/files/inline-images/baby%20girl%20names%20image.jpg" alt="">
<img src="https://cdn2.momjunction.com/wp-content/uploads/2015/03/Learning-Activities.jpg" alt="">
</div>
<div class="column1">
<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/3/33/Team_Korea_Rio_2016_06.jpg/1200px-Team_Korea_Rio_2016_06.jpg" alt="">
<img src="https://expo.advance.net/img/9c4d2bc2c7/width960/30gallery_state_indiv_gym_.jpeg" alt="">
</div>
<div class="column1">
<img src="https://cdn4.sportngin.com/attachments/call_to_action/9127/0843/_7006687_large.jpg" alt="">
<img src="https://cdn.vox-cdn.com/thumbor/4pOVrNf6Ezmge6_VKHgYmAyCNoU=/0x0:3642x2712/1200x800/filters:focal(1275x341:1857x923)/cdn.vox-cdn.com/uploads/chorus_image/image/54106607/usa_today_9864342.0.jpg" alt="">
</div>
<div class="column1">
<img src="https://livability.com/sites/default/files/Great%20Cities%20for%20Filmmakers.jpg" alt="">
<img src="https://media.wired.com/photos/59bafdf204afdc5248726f5c/master/w_2400,c_limit/BMW-TA.jpg" alt="">
</div>
</div>解决方法:
您需要创建一种如下所示的循环,还需要考虑random()为淡入淡出功能设置不同的时序：
$('.column1 img:eq(0)').each(function() {
$(this).hide();
});
setInterval(function() {
$('.column1 img:visible').each(function() {
let next = $(this).next().length ? $(this).next() : $(this).parent().find('img:eq(0)');
var t = Math.random()*2000;
$(this).delay(t).fadeOut(500);
next.delay(t).fadeIn(500);
});
}, 3000);#main__slider {
width: 40rem;
height: 25rem;
margin: 0 auto;
display: grid;
grid-template-columns: repeat(3, 1fr);
grid-template-rows: repeat(3, 1fr)
}
.column1 {
border: 1px solid;
position: relative;
}
img {
width: 100%;
height: 100%;
object-fit: cover;
position: absolute;
}<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="main__slider">
<div class="column1">
<img src="https://www.arup.com/-/media/arup/images/perspectives/themes/cities/cities-alive/cities-alive-header.jpg?h=1125&la=en&w=2000&hash=415B3F648DFB5F1822DD43328B988A2C78318E7F" alt="">
<img src="https://livability.com/sites/default/files/Great%20Cities%20for%20Filmmakers.jpg" alt="">
</div>
<div class="column1">
<img src="https://www.cesarsway.com/sites/newcesarsway/files/styles/large_article_preview/public/Common-dog-behaviors-explained.jpg?itok=FSzwbBoi" alt="">
<img src="https://d17fnq9dkz9hgj.cloudfront.net/uploads/2018/03/Pomeranian_01.jpeg" alt="">
</div>
<div class="column1">
<img src="https://i.kinja-img.com/gawker-media/image/upload/s--vHt6tbFa--/c_scale,f_auto,fl_progressive,q_80,w_800/xjmx1csashjww8j8jwyh.jpg" alt="">
<img src="https://www.drdavidludwig.com/wp-content/uploads/2017/01/1-RIS_6IbCLYv1X3bzYW1lmA.jpeg" alt="">
</div>
<div class="column1">
<img src="https://www.railengineer.uk/wp-content/uploads/2017/10/AT300_HULL-TRAINS_with-logo.jpg" alt="">
<img src="https://www.virginexperiencedays.co.uk/content/img/product/large/steam-train-trip-17104839.jpg" alt="">
</div>
<div class="column1">
<img src="https://www.healthline.com/hlcmsresource/images/topic_centers/977-When_do_girls_stop_growing-732x549-thumbnail.jpg" alt="">
<img src="https://images.askmen.com/1080x540/2018/09/06-125712-how_to_talk_to_girls_on_tinder.jpg" alt="">
</div>
<div class="column1">
<img src="https://www.familyeducation.com/sites/default/files/inline-images/baby%20girl%20names%20image.jpg" alt="">
<img src="https://cdn2.momjunction.com/wp-content/uploads/2015/03/Learning-Activities.jpg" alt="">
</div>
<div class="column1">
<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/3/33/Team_Korea_Rio_2016_06.jpg/1200px-Team_Korea_Rio_2016_06.jpg" alt="">
<img src="https://expo.advance.net/img/9c4d2bc2c7/width960/30gallery_state_indiv_gym_.jpeg" alt="">
</div>
<div class="column1">
<img src="https://cdn4.sportngin.com/attachments/call_to_action/9127/0843/_7006687_large.jpg" alt="">
<img src="https://cdn.vox-cdn.com/thumbor/4pOVrNf6Ezmge6_VKHgYmAyCNoU=/0x0:3642x2712/1200x800/filters:focal(1275x341:1857x923)/cdn.vox-cdn.com/uploads/chorus_image/image/54106607/usa_today_9864342.0.jpg" alt="">
</div>
<div class="column1">
<img src="https://livability.com/sites/default/files/Great%20Cities%20for%20Filmmakers.jpg" alt="">
<img src="https://media.wired.com/photos/59bafdf204afdc5248726f5c/master/w_2400,c_limit/BMW-TA.jpg" alt="">
</div>
</div>内容总结
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