User User -4 years ago 214
CSS Question

how to fix the scrollbar always at the bottom of a div?

I am doing a simple chat application,I want to fix the scrollbar of a div always at the bottom.just like thisenter image description here

When loading the index page the scrollbar must be at the bottom

Here is my style.css

body{
font: 0.9em monospace;
}
.messages{
border: 1px solid #ccc;
width: 250px;
height: 210px;
padding: 10px;
overflow-y:scroll;

}
.message{
color: slategrey;

}
.message p{
margin: 5px 0;
}
.entry{
width: 260px;
height: 40px;
padding: 5px;
margin-top: 5px;
font: 1em fantasy;

}


Here is my index.php

<?php
session_start();
$_SESSION['user'] = (isset($_GET['user']) === TRUE) ? (int) $_GET['user'] : 0;
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<link rel="stylesheet" href="css/styles.css"></link>
</head>
<body>
<div class="chat">
<div class="messages" id="messages">
</div>
<textarea class="entry" placeholder="type here and press enter"></textarea>
</div>
<script type="text/javascript" src="js/jquery-1.8.2.min.js"></script>
<script type="text/javascript" src="js/chat.js"> </script>
</body>




How can i set this,please help me..
Thanks

Answer Source

Try this jquery :

$(".messages").animate({ scrollTop: $(document).height() }, "slow");
  return false;

and here is the fiddle : http://jsfiddle.net/EX6vs/

or refers to the height of the element (many agree is the right way), as below:

$(".messages").animate({ scrollTop: $(this).height() }, "slow");
  return false;

and here is the fiddle : http://jsfiddle.net/69vpnyu1/

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