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Javascript/jquery implementation Div always at the bottom of the page

Source: Internet
Author: User
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The code is as follows

The code is as follows Copy Code

<body>
<div id= "Divdetail" style= "overflow-y:scroll; width:250px;height:200px; " >
<table style= "border:1px solid; ">
<tr><td>id</td><td>name</td><td>age</td><td>
The crucial part is here: Div.scrolltop = div.scrollheight; Scroll to see if I'm at the bottom oh.
</td></tr>
</table>
</div>
</body>
<script type= "Text/javascript" defer>
var div = document.getElementById (' Divdetail ');

Div.scrolltop = Div.scrollheight;
alert (div.scrolltop);
</script>

Another way

Using the scrollIntoView method of Div, scroll the bottom end to the visible position [list=1]

The code is as follows Copy Code
<script language= "javascript1.2" type= "Text/javascript" >
function Ongetmessage (context)
{
Msg.innerhtml+=context;
Msg_end.scrollintoview ();
}
</script>
<div style= "Width:500px;overflow:auto" >
<div id= "msg" style= "overflow:hidden;width:480px;" ></div>
<div id= "Msg_end" style= "height:0px; Overflow:hidden "></div>
</div>


The last one is compatible with a large number of browsing usage, can scroll with the user scrolling oh.

The code is as follows Copy Code

<title> rolling announcements at the bottom of the page </title>
<style type= "Text/css" >
Html,body,div ul{margin:0;padding:0;border:0; font-size:12px}
#gg {position:fixed;bottom:0;background: #000; Width:100%;height:23px;z-index:9999;opacity:.60;filter:alpha ( OPACITY=60); _bottom:auto;_width:100%;_position:absolute;_top:expression (eval ( Document.documentelement.scrolltop+document.documentelement.clientheight-this.offsetheight-(ParseInt ( this.currentstyle.margintop,10) | | 0)-(parseint (this.currentstyle.marginbottom,10) | | 0));}
#gg a {color: #FFF}
</style>

<script type= "Text/javascript" >
(function ($) {
$.fn.extend ({
Scroll:function (Opt,callback) {
if (!opt) var opt={};
var _this=this.eq (0). Find ("Ul:first");
var lineh=_this.find ("Li:first"). Height (),
Line=opt.line?parseint (opt.line,10):p Arseint (This.height ()/lineh,10),
Speed=opt.speed?parseint (opt.speed,10): 7000,//scrolling speed, the larger the number, the slower the speed (milliseconds)
Timer=opt.timer?parseint (opt.timer,10): 7000;//time interval for scrolling (milliseconds)
if (line==0) line=1;
var Upheight=0-line*lineh;
Scrollup=function () {
_this.animate ({
Margintop:upheight
},speed,function () {
for (i=1;i<=line;i++) {
_this.find ("Li:first"). Appendto (_this);
}
_this.css ({margintop:0});
});
}
_this.hover (function () {
Clearinterval (Timerid);
},function () {
Timerid=setinterval ("Scrollup ()", timer);
}). Mouseout ();
}
})
}) (JQuery);
$ (document). Ready (function () {
$ (". Bulletin"). Scroll ({line:1,speed:1000,timer:5000});//Modify this number to adjust the scrolling time
});
</script>
<body>
<div style= "height:3000px" ></div>
<div id= "GG" ><a href= "/" > fixed at the bottom of the page rolling announcements </a></div>
</body>

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