我正试图让这个新闻自动收报机工作。出于某种原因,它会在第二个列表项之后重新启动,这不是我想要的 - 我希望它在列表项中旋转直到最后。这个脚本有什么问题?
这是一个JSFiddle
HTML
<h1>This runs differently than the ticker for some reason. It's highly annoying in my personal opinion.</h1>
<div id="ticker">
<div class="event">test1</div>
<div class="event">test2</div>
<div class="event">test3</div>
<div class="event">test4</div>
</div>
CSS
.event{float: left; width: 100px;}
Javascript/Jquery
(function($) {
$.fn.textWidth = function(){
var calc = '<span style="display:none">' + $(this).text() + '</span>';
$('body').append(calc);
var width = $('body').find('span:last').width();
$('body').find('span:last').remove();
return width;
};
$.fn.marquee = function(args) {
var that = $(this);
var textWidth = that.textWidth(),
offset = that.width(),
width = offset,
css = {
'text-indent' : that.css('text-indent'),
'overflow' : that.css('overflow'),
'white-space' : that.css('white-space')
},
marqueeCss = {
'text-indent' : width,
'overflow' : 'hidden',
'white-space' : 'nowrap'
},
args = $.extend(true, { count: -1, speed: 1e1, leftToRight: false }, args),
i = 0,
stop = textWidth*-1,
dfd = $.Deferred();
function go() {
if (that.data('isStopped') != 1)
{
if(!that.length) return dfd.reject();
if(width == stop) {
i++;
if(i == args.count) {
that.css(css);
return dfd.resolve();
}
if(args.leftToRight) {
width = textWidth*-1;
} else {
width = offset;
}
}
that.css('text-indent', width + 'px');
if(args.leftToRight) {
width++;
} else {
width--;
}
}
setTimeout(go, 10);
};
if(args.leftToRight) {
width = textWidth*-1;
width++;
stop = offset;
} else {
width--;
}
that.css(marqueeCss);
that.data('isStopped', 0);
that.bind('mouseover', function() { $(this).data('isStopped', 1); }).bind('mouseout', function() { $(this).data('isStopped', 0); });
go();
return dfd.promise();
};
})(jQuery);
$('h1').marquee();
$('#ticker').marquee();