<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>