Deep and Shallow Copy in JavaScript
JavaScript variables hold different types of data: primitives (Undefined, Null, Boolean, Number, String) and objects (reference types). Primitive values are stored directly in memory, while objects are stored as references.
Primitive vs Reference Types
Primitive values are immutable. When copied, a new independent value is created:
let a = 1;
l ...
Posted on Fri, 14 Aug 2026 16:32:00 +0000 by scopley