technomaz

using Telerik.Sitefinity.Modules.News;
using Telerik.Sitefinity.News.Model;

public void ChangeNewsDate() 
{
        // https://www.progress.com/blogs/how_to_publish_content_items_in_the_past
        // https://www.progress.com/documentation/sitefinity-cms/for-developers-modify-news-items
        var pubDate = new DateTime(2019, 02, 25);
        var manager = NewsManager.GetManager();
        //var item = manager.GetNewsItem(new Guid("6aa1dc9a-58ad-45e5-b624-fe5e8267728a"));

technomaz

// loads later, so may be slow
window.addEventListener('load', functionName, false );

technomaz

// based on: https://www.techiediaries.com/javascript/pure-javascript-equivalent-or-alternative-to-jquery-ready/
// based on: https://stackoverflow.com/a/9899701/271985
function docReady(fn) {
  if (document.readyState !== 'loading'){
    fn();
  } else {
    document.addEventListener('DOMContentLoaded', fn);
  }
}

technomaz

// Get single element by ID
var el=document.getElementById('test');

// Get single element by class name
var el=document.getElementsByClassName('test')[0];

technomaz

// Add click listener
el.addEventListener("click", function() { alert('click'); }, false);