Javascript help to copy selected items from one list to another list on same site

Question

Hello,
So I have a request that I am not sure how to handle. I have created a page with a list view webpart that displays all the items from one list.
The user is then supposed to select off multiple list items and click on a button (most likely a ribbon button) that will take the selected items and copy them to another list on the same SharePoint site.
I would like to do this with JavaScript, but have only found an example that copies library items to another library.

Answer 1

Hi KansaiKel,
According to your description, my understanding is that you want to copy selected list items to another list.
I suggest you can use JavaScript Client Object Model to achieve it.
Here is a code snippet for your reference:
<script type="text/javascript">
var context = SP.ClientContext.get_current();
var siteUrl = 'http://sp2013sps/sites/test';
var clientContext = new SP.ClientContext(siteUrl);
var web = context.get_web();
context.load(web);
var sourceId = SP.ListOperation.Selection.getSelectedList();
var source = web.get_lists().getById(sourceId);
var oList = context.get_web().get_lists().getByTitle('Copy');
context.load(oList);
var selectedItems = SP.ListOperation.Selection.getSelectedItems(context);
alert('debut');
for(var i in selectedItems)
var currentItem = source.getItemById(selectedItems[i].id);
context.load(currentItem);
context.executeQueryAsync(Function.createDelegate(this,test),Function.createDelegate(this,error));
function test(sender, args){
var itemCreateInfo = new SP.ListItemCreationInformation();
var oListItem = oList.addItem(itemCreateInfo);
oListItem.set_item('Title', currentItem.get_item('Title'));
oListItem.update();
oList.update();
alert('done');
function error(sender, args){ alert('error');}""
</script>
Here is a detailed article for your reference:
Complete basic operations using JavaScript library code in SharePoint
Best Regards
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