Compatible with the text line height of each browser
(function($ ){
$.fn.extend({
RollTitle: function(opt,callback){
if(!opt) var opt={};
var _this = this;
_this .timer = null;
_this.lineH = _this.find("li:first").height();
_this.line=opt.line?parseInt(opt.line,15):parseInt(_this .height()/_this.lineH,10);
_this.speed=opt.speed?parseInt(opt.speed,10):3000, //Scroll speed, the larger the value, the slower the speed (milliseconds
_this.timespan=opt.timespan?parseInt(opt.timespan,13):5000; //Scrolling time interval (milliseconds
if(_this.line==0) this.line=1;
_this.upHeight=0-_this.line*_this.lineH;
_this.scrollUp=function(){
_this.animate({
marginTop:_this.upHeight
},_this.speed, function(){
for(i=1;i<=_this.line;i ){
_this.find("li:first").appendTo(_this);
}
_this .css({marginTop:0});
});
}
_this.hover(function(){
clearInterval(_this.timer);
},function(){
_this.timer=setInterval(function(){_this.scrollUp();},_this.timespan);
}).mouseout();
}
})
}) (jQuery);
Calling method:
line: number of text lines scrolled at one time
speed: scroll animation time
timespan: interval time
- Text 1
- Text 2
- Text 3
< ;li>Text 4
- Text 5