Steps
  1. Open your SharePoint site.
  2. Edit SharePoint page and add a Content Editor WebPart.
  3. Add JavaScript code given below into CEWP.
  4. Save the page and hit F5.
Code snippet
  1. $(document).ready(function
  2. {
  3. deletelistitem();
  4. });
  6. function deletelistitem() {
  8. var clientContext = new SP.ClientContext(https://gowtham.sharepoint.com/tutorials");
  9. var oList = clientContext.get_web().get_lists().getByTitle('Announcements');
  10. var itemCreateInfo = new SP.ListItemCreationInformation();
  11. this.oListItem = oList.addItem(itemCreateInfo);
  12. oListItem.set_item('Title', 'Test Item!');
  13. oListItem.set_item('Body', 'This Item has added Programmatically!');
  14. oListItem.update();
  15. clientContext.load(oListItem);
  16. clientContext.executeQueryAsync(Function.createDelegate(this, this.onQuerySucceeded), Function.createDelegate(this, this.onQueryFailed));
  17. }
  19. function onQuerySucceeded() {
  21. alert('Item created sucessfully: ' + oListItem.get_id());
  22. }
  24. function onQueryFailed(sender, args) {
  26. alert('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());
  27. }