Whereas one approach is to implement the ICloneable interface (described here, so I won’t regurgitate), here’s a nice deep clone object copier I found on The Code Project a while ago and incorporated it into our code. As mentioned elsewhere, it requires your objects to be serializable. using System; using System.IO; using System.Runtime.Serialization; using System.Runtime.Serialization.Formatters.Binary; … Read more
new_list = my_list doesn’t actually create a second list. The assignment just copies the reference to the list, not the actual list, so both new_list and my_list refer to the same list after the assignment. To actually copy the list, you have several options: You can use the builtin list.copy() method (available since Python 3.3): … Read more
2022 update There’s a new JS standard called structured cloning. It works on all browsers: const clone = structuredClone(object); Old answer To do this for any object in JavaScript will not be simple or straightforward. You will run into the problem of erroneously picking up attributes from the object’s prototype that should be left in … Read more