About jquery append and automatic deleting

Question

when you append by using an existing content, jquery will delete the orignal:

$(new).append($('#ori'));

then the orignal $('#ori') in the document will be deleted, is this by design?

Answer 1

Try:

$(new).append($("#ori").clone());

if you want to keep the original.

Answer 2

Yes

Adds a node to the end of the list of children of a specified parent node. If the node already exists it is removed from current parent node, then added to new parent node.

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If you want to keep the original element, use cletus' code.