Jquery幻灯片显示if语句
嗨,我需要为我的幻灯片创建一个if语句,如果只有一个图像,我不希望幻灯片处于活动状态 Javascript:Jquery幻灯片显示if语句,jquery,slideshow,Jquery,Slideshow,嗨,我需要为我的幻灯片创建一个if语句,如果只有一个图像,我不希望幻灯片处于活动状态 Javascript: <script type="text/javascript"> function slideSwitch() { var $active = $('#slideshow IMG.active'); if ( $active.length == 0 ) $active = $('#slideshow IMG:last'); // use
<script type="text/javascript">
function slideSwitch() {
var $active = $('#slideshow IMG.active');
if ( $active.length == 0 ) $active = $('#slideshow IMG:last');
// use this to pull the images in the order they appear in the markup
var $next = $active.next().length ? $active.next()
: $('#slideshow IMG:first');
// uncomment the 3 lines below to pull the images in random order
// var $sibs = $active.siblings();
// var rndNum = Math.floor(Math.random() * $sibs.length );
// var $next = $( $sibs[ rndNum ] );
$active.addClass('last-active');
$next.css({opacity: 0.0})
.addClass('active')
.animate({opacity: 1.0}, 1000, function() {
$active.removeClass('active last-active');
});
}
$(function() {
setInterval( "slideSwitch()", 5000 );
});
</script>
函数滑动开关(){
var$active=$(“#slideshow IMG.active”);
如果($active.length==0)$active=$(“#幻灯片显示IMG:last”);
//使用此选项可以按图像在标记中的显示顺序提取图像
var$next=$active.next().length?$active.next()
:$(“#幻灯片演示IMG:first”);
//取消对下面3行的注释,以随机顺序拖动图像
//var$sibs=$active.sibles();
//var rndNum=Math.floor(Math.random()*$sibs.length);
//var$next=$($sibs[rndNum]);
$active.addClass('last-active');
$next.css({opacity:0.0})
.addClass(“活动”)
.animate({opacity:1.0},1000,function()){
$active.removeClass('active last active');
});
}
$(函数(){
设置间隔(“滑动开关()”,5000);
});
html:
JS不是我的强项,任何帮助都会很好 将您的
domready
功能更改为:
$(function() {
if ($("#slideshow img").length > 1) {
setInterval( "slideSwitch()", 5000 );
}
});
$(function() {
if ($("#slideshow img").length > 1) {
setInterval( "slideSwitch()", 5000 );
}
});