关于图片渐变轮播 怎么没人回应啊,我遇到两个问题,一个是setTimeout语句还没执行完,下面的语句就执行了。另一个是我想让淡出谈出同时进行,能我一点提示吗,不胜感激吗? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 能给点意见吗?<!DOCTYPE html><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Image slide</title> <style type="text/css"> </style> <script type="text/javascript" language="javascript"> window.onload=play; var arrimgs =new Array(); arrimgs[0]="img/p1.jpg"; arrimgs[1]="img/p2.jpg"; arrimgs[2]="img/p3.jpg"; arrimgs[3]="img/p4.jpg"; function id(name){ return document.getElementById(name); }function play(){ for(var j=1;j<4;j++){ fadeout(); setTimeout(function (){ id("imgBox").src=arrimgs[j]; fadein(); },2500*j); }}function fadein(){ for(var i=1;i<26;i++){ setTimeout("setOpacity("+4*i+")",100*i); }}function fadeout(){ for(var i=1;i<26;i++){ setTimeout("setOpacity("+(100-4*i)+")",100*i); }}function setOpacity(opacity){ id("imgBox").style.opacity=opacity/100; id("imgBox").style.filter = "alpha(opacity="+opacity+")"; //for ie8 or earlier.}</script></head><body> <div> <img id="imgBox" src="img/p1.jpg"> </div></body></html> <!DOCTYPE html><html><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Image slide</title> <style type="text/css"> #img_div { position: relative; width: 478px; height: 285px; overflow: hidden; border: 1px solid #ddd } #img_div img { position: absolute; width: 478px; height: 285px; } </style> <script type="text/javascript" language="javascript"> var arr = ["img/p1.jpg", "img/p2.jpg", "img/p3.jpg", "img/p4.jpg"]; window.onload = function () { var id = document.getElementById("img_div"); id.innerHTML = '<img src="' + arr.join('" alt=""><img src="') + '" alt="">'; id.style.background = "url('" + arr.pop() + "') no-repeat center"; var img = id.getElementsByTagName("img"), l = arr.length, n = 100; (function () { var callee = arguments.callee; n--; if (n < 0) { l--; n = 100; if (l < 0) { l = arr.length; for (var k = img.length; k--;) { img[k].style.opacity = 1;//还原成不透明 img[k].style.filter = "alpha(opacity=100)"; } } setTimeout(callee, 3000);//每张图片停留3秒(自己调整) } else { setTimeout(callee, 30);//30毫秒改变一下透明度(自己调整) } img[l].style.opacity = n / 100; img[l].style.filter = "alpha(opacity=" + n + ")"; })(); } </script></head><body><div id="img_div"></div></body></html> 附上jquery写法: var arr = ["img/p1.jpg", "img/p2.jpg", "img/p3.jpg", "img/p4.jpg"]; $(function(){ var img = $('<img src="' + arr.join('" alt=""><img src="') + '" alt="">').appendTo($("#img_div").css({background:"url('" + arr.pop() + "') no-repeat center"})),l = img.size()-1; (function () { var callee = arguments.callee; img.eq(l).animate({opacity:0},3000,function(){ l--; if(l< 0){ img.css({opacity:1}); l = img.size()-1; } setTimeout(callee,4000); }); })(); }); xzy21com写得很好,我很满意,谢谢。 var callee = arguments.callee;我有一事不明,上面这行是怎么个用法? 求美餐网订餐车的效果,实在搞不定了。拜托了。 求一js效果 请问$get是什么意思,做什么用的? javascript dom对象增加节点的小问题 JavaScript 获得Session值 关于绕过拦截的弹出窗口,大家探讨一下。 javascript中的event的含义 如何得到浏览器版本号?一定给分。 怎样给一种类型的输入框赋值!!! 求个js jquery 写的手机单行横向滑动日历 jQuery Validate 如何在某个方法时忽略某种验证? echarts做出来以后,整个图都变杂乱了是什么原因?
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Image slide</title>
<style type="text/css">
</style> <script type="text/javascript" language="javascript">
window.onload=play; var arrimgs =new Array();
arrimgs[0]="img/p1.jpg";
arrimgs[1]="img/p2.jpg";
arrimgs[2]="img/p3.jpg";
arrimgs[3]="img/p4.jpg"; function id(name){
return document.getElementById(name);
}
function play(){
for(var j=1;j<4;j++){
fadeout();
setTimeout(function (){
id("imgBox").src=arrimgs[j];
fadein();
},2500*j);
}
}function fadein(){
for(var i=1;i<26;i++){
setTimeout("setOpacity("+4*i+")",100*i);
}
}function fadeout(){
for(var i=1;i<26;i++){
setTimeout("setOpacity("+(100-4*i)+")",100*i);
}
}function setOpacity(opacity){
id("imgBox").style.opacity=opacity/100;
id("imgBox").style.filter = "alpha(opacity="+opacity+")"; //for ie8 or earlier.
}</script></head>
<body>
<div>
<img id="imgBox" src="img/p1.jpg">
</div>
</body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Image slide</title>
<style type="text/css">
#img_div {
position: relative;
width: 478px;
height: 285px;
overflow: hidden;
border: 1px solid #ddd
}
#img_div img {
position: absolute;
width: 478px;
height: 285px;
}
</style>
<script type="text/javascript" language="javascript">
var arr = ["img/p1.jpg", "img/p2.jpg", "img/p3.jpg", "img/p4.jpg"];
window.onload = function () {
var id = document.getElementById("img_div");
id.innerHTML = '<img src="' + arr.join('" alt=""><img src="') + '" alt="">';
id.style.background = "url('" + arr.pop() + "') no-repeat center";
var img = id.getElementsByTagName("img"), l = arr.length, n = 100;
(function () {
var callee = arguments.callee;
n--;
if (n < 0) {
l--;
n = 100;
if (l < 0) {
l = arr.length;
for (var k = img.length; k--;) {
img[k].style.opacity = 1;//还原成不透明
img[k].style.filter = "alpha(opacity=100)";
}
}
setTimeout(callee, 3000);//每张图片停留3秒(自己调整)
} else {
setTimeout(callee, 30);//30毫秒改变一下透明度(自己调整)
}
img[l].style.opacity = n / 100;
img[l].style.filter = "alpha(opacity=" + n + ")";
})();
}
</script>
</head>
<body>
<div id="img_div"></div>
</body>
</html>
$(function(){
var img = $('<img src="' + arr.join('" alt=""><img src="') + '" alt="">').appendTo($("#img_div").css({background:"url('" + arr.pop() + "') no-repeat center"})),l = img.size()-1;
(function () {
var callee = arguments.callee;
img.eq(l).animate({opacity:0},3000,function(){
l--;
if(l< 0){
img.css({opacity:1});
l = img.size()-1;
}
setTimeout(callee,4000);
});
})();
});
我有一事不明,上面这行是怎么个用法?