How to copy an object by value, not by reference
12204
How do you make a deep copy of an object?
154989
How can I add a key/value pair to a JavaScript object?
28802
Is Ruby pass by reference or by value?
115252
How do I pass a primitive data type by reference?
109507
How to pass variables by reference and by value
112770
How to merge two object values by keys
155637
Create object instance without invoking constructor?
61346
reference variable in object literal?
54541
Create a copy of the list not referencing the contained objects
57168
How to deep copy a list?
87005
Why must the copy assignment operator return a reference/const reference?
10895
Copy constructor elision?
45188
How do I pass a variable by reference?
66012
Returning a const reference to an object instead of a copy
95924
When do we have to use copy constructors?
111404
Disable copy constructor
109179
Javascript deep copying object