JS implementation can be paused vertical scrolling instance code _javascript skills

var scrollmiddle = {' Odiv ':d ocument.getelementbyid (' comment '),//target Dom ' Oli ': document.getElementById (' Co Mment '). getElementsByTagName (' Li '), ' Times ': 30,//Configure scrolling time ' delay ': 1000,//configuration paused The time inint:function () {this.size = this.
       Oli.length;
       This.height = 59;
       This.countheight =this.size * this.height; This. Odiv.innerhtml+=this.
       odiv.innerhtml;
     This.timer = null;
       }, Scroll:function () {var _this = this;
       _this.inint (); function scrolls () {var scrollvalue = _this.
         Odiv.scrolltop;
         var sub_timer = null;
         var num=0; if (scrollvalue>=_this.countheight) {_this.
         odiv.scrolltop = 0; }else{_this.
           odiv.scrolltop++; if (scrollvalue%_this.height==0) {clearinterval (_this.timer) function delay () {num
               ++; if (num==3) {num= 0;
                 Clearinterval (Sub_timer);
                 Sub_timer = null;
                 Clearinterval (_this.timer) _this.timer = SetInterval (scrolls,_this.times);
               return false; } Sub_timer = SetInterval (Delay,_this.delay)}}} This.time
     R = setinterval (scrolls,_this.times); }
   }

Call Method:

Scrollmiddle.scroll ();

HTML structure:

<ul id= "comment" >
  <li></li> ...
</ul>

CSS structure:

#comment {
  width:200px;
  height:200px;
  Overflow:hidden;  
}

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