Exercism: JavaScript Track

Learning Resources

Shallow vs Deep Copy

Shallow Copy	Deep Copy
Original and shallow copy both point to the same memory location	Original and deep copy point to different memory locations
Use ... spread operator: let shallowCopy = {...original}	Use JSON: let deepCopy = JSON.parse(JSON.stringify(original))
Use Object.assign(): let shallowCopy = Object.assign({}, original)

• StackOverflow: Shallow vs Deep copying objects