<textarea rows="20" cols="100" id="abc"></textarea>
<script type="text/javascript">
$(document).ready(function(){
var test = new Array();
ajaxurl = '__URL__/read'
$.ajax({
url: ajaxurl,
type: 'POST', 
dataType:'json',
success: function(data) {
if(data.status==1){
var phone = data.info.split("\r\n");
test = phone;
setTimeout(test123,90);
setInterval(scroll1,100);

}
}
});  
$k  =0;
function test123(){
if (($k+1) != test.length){
$('#abc').val($('#abc').val()+test[$k]+"\n");
setTimeout(test123,90);
}else{
test = new Array();
$k=0;
}
$k++;
}
})</script>    这个程序是做一个手机号码滚动效果,现在的问题是怎么才能让textarea的滚动条一直处于最底端,我用定时器去控制滚动条,始终得不到最佳效果(有卡顿),请高手指教

解决方案 »

  1.   

    楼主把demo整理下吧,贴个能跑起来的demo,这样大家好测试
      

  2.   


    <html>
    <script type="text/javascript" src="jquery-1.4.2.js"></script>
    <script type="text/javascript">
    </script>
    </head>
    <textarea rows="20" cols="100" id="abc"></textarea>
    <script type="text/javascript">
    $(document).ready(function(){
    var test = new Array('13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541511','13910541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    $k  =0;
    function test123(){
    if (($k+1) != test.length){
    $('#abc').val($('#abc').val()+test[$k]+"\n");
    setTimeout(test123,90);
    }else{
    test = new Array();
    $k=0;
    }
    $k++;
    }

    setTimeout(test123,90);
    })</script>