Nodejs: how to clone an object

Question

If I clone an array, I use cloneArr = arr.slice()

I want to know how to clone an object in nodejs.

Answer 1

for array, one can use

var arr = [1,2,3]; 
var arr_2 = arr ; 

print ( arr_2 ); 

arr=arr.slice(0);

print ( arr ); 

arr[1]=9999; 

print ( arr_2 );