要求：
图片延迟加载。未加载完显示加载中。监听图片加载完后，加载中消失。
demo:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no">
<meta name="format-detection" content="telephone=no">
<script src="http://m.baidu.com/static/search/3600/zepto.js"></script>
<title></title>
<style>
.mod-load{
text-align: center;
padding: 15px 0;
color: @fontColor4;
font-size: 12px;
@-webkit-keyframes loading{
0%{-webkit-transform: rotate(0deg);}
50%{-webkit-transform: rotate(180deg);}
100%{-webkit-transform: rotate(360deg);}
}
.icon-loading{
display: inline-block;
width: 15px;
height: 15px;
vertical-align: -4px;
margin-right: 6px;
transform-style: preserve-3d;
-webkit-backface-visibility: hidden;
-webkit-animation-name: loading;
-webkit-animation-duration: 1.2s;
-webkit-animation-timing-function: linear;
-webkit-animation-iteration-count: infinite;
-moz-animation-name: loading;
-moz-animation-duration: 1.2s;
-moz-animation-timing-function: linear;
-moz-animation-iteration-count: infinite;
}
.icon-loading.list-noload{
padding: 10px 0;
font-size: 14px;
line-height: 40px;
}
}
</style>
</head>
<body>
<img class="lazyloadImg" data-src="http://tgi12.jia.com/115/444/15444255.jpg"></img>
<img class="lazyloadImg" data-src="http://tgi13.jia.com/115/438/15438819.jpg"></img>
<script>
var $img=$(‘.lazyloadImg‘);
var $body=$(‘body‘);
var $imgsrc;
var src;
var imgLoad;
for (var i=0;i<$img.length;i++)
{
loading();
$imgsrc=$($img[i]);
src=$imgsrc.attr(‘data-src‘);
$imgsrc.attr(‘src‘,src).removeAttr(‘data-src‘);
imgLoad =document.querySelectorAll(".lazyloadImg")[i];
imgLoad.addEventListener("load",function(event){
$(‘.mod-load‘).remove();
});
}
function loading(){
var loadingHtml = ‘<div class="mod-load list-loading">‘
+ ‘<img class="icon-loading" src="http://m.baidu.com/static/search/3600/bdoor_loading.png">‘
+ ‘加载中...‘
+ ‘</div>‘;
$(loadingHtml).appendTo($body);
}
</script>
</body>
</html>
时间： 2024-08-24 19:28:36