What Is Immutability?
Explore the concept of immutability in JavaScript to better manage Redux state changes. Understand the difference between copying by value and by reference, and learn how ES2015 features like Object.assign and the spread operator help avoid unwanted mutations in your application state.
We'll cover the following...
We'll cover the following...
Let’s define what the word mutation means. There are two types of variables in JavaScript: Those copied by value and those passed by reference. Primitive values such as numbers, strings, and Booleans are copied when you assign them to other variables, and a change to the target variable will not affect the source:
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