Code snippet to update the title and description for the SharePoint List

updatelistTitle.js

//Author: Shantha Kumar T
//set_title() and get_description() properties used to set the title and description to the list respectively
//get_title() and get_description() properties used to get the title and description to the list respectively
//Property used: SP.List.title and SP.List.description(sp.js)
//Supports SharePoint 2010 + and SharePoint Online

function UpdatelistTitle(listTitle) {
    var clientContext = new SP.ClientContext();
    oList = clientContext.get_web().get_lists().getByTitle(listTitle);
    oList.set_title('New List Title');
    oList.set_description('New List Title description');
    oList.update();
    clientContext.load(oList);
    clientContext.executeQueryAsync(
        Function.createDelegate(this, function() {
            var listsInfo = '';
            listsInfo += oList.get_title() + '\t' + oList.get_description();
            //console.log(listsInfo.toString());
            alert(listsInfo.toString());
        }),
        Function.createDelegate(this, function(sender, args) {
            //console.log('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());
            alert('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());
        }));
}

function injectMethod() {
    var lisTitle = "Old List Title";
    UpdatelistTitle(lisTitle);
}
ExecuteOrDelayUntilScriptLoaded(injectMethod, "sp.js");