A shallow copy in JavaScript copies the top-level structure of an object or array, but for nested objects and arrays, it copies their references instead of creating new copies. This means that changes...
spread operator
Mastering JavaScript: Creating Deep Copies of Objects and Arrays
A deep copy in JavaScript refers to the creation of a new object or array that contains copies of all the properties or elements of the original object or array, including nested objects and arrays. I...
Mastering JavaScript: Why Spread Syntax Doesn’t Create a Deep Copy?
The spread syntax only creates a new object one level deep. In other words, the spread syntax creates a new object with the same properties as an original object, but if any of those properties are ob...