ECMA Script : To get the SharePoint 2010 list information

 
<script language="ecmascript" type="text/ecmascript">
 
    var clientContext = null;
    var oWeb = null;
    var oListColl = null;
    var oList = null;
 
    function getListInfo() {
 
        clientContext = new SP.ClientContext.get_current()
        oWeb = clientContext.get_web();
        oListColl = oWeb.get_lists();
        oList = oListColl.getByTitle('List1');
        clientContext.load(oList);
        clientContext.executeQueryAsync(Function.createDelegate(this, this.onQuerySucceeded), Function.createDelegate(this, this.onQueryFailed));
    }
 
    function onQuerySucceeded() {
        var message = "List Information";
        message += "\n Title: " + oList.get_title();
        message += "\n ID: " + oList.get_id();
        message += "\n Description: " + oList.get_description();
        alert(message);
    }
 
    function onQueryFailed(sender, args) {
        alert('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());
    }
 
</script>
<input id="btnGetListInfo" onclick="getListInfo()" type="button" value="Get the List Info"/>