在javascript中强制按引用传递

Question

Is there any way to force pass by reference in javascript? I have read that objects are passed as 'copy of object reference' or call-by-sharing but I want the changes across the functions to be reflected across the sender and the receiver. Current design prevents me from declaring it as a global variable. Any ideas on how to handle this?

For example, considering the code below ->

Now when I execute function1, I get ->

How do I ensure that function1 has the changed/updated values?

Answer 1

I have found this https://codeburst.io/javascript-pass-by-value-and-pass-by-reference-in-javascript-fcf10305aa9c

However, when a variable refers to an object which includes array, the value is the reference to the object