How to clone an object in JavaScript

Creating copies of objects is essential for maintaining immutability and preventing unintended mutations in JavaScript applications. As the creator of CoreUI, a widely used open-source UI library, I’ve handled countless object cloning scenarios in production components over 25 years of development. From my expertise, the most reliable approach for deep cloning is the modern structuredClone() method, while the spread operator works perfectly for shallow copies. This ensures proper data handling without reference issues.

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How to clone an object in JavaScript

Creating copies of objects is essential for maintaining immutability and preventing unintended mutations in JavaScript applications. As the creator of CoreUI, a widely used open-source UI library, I’ve handled countless object cloning scenarios in production components over 25 years of development. From my expertise, the most reliable approach for deep cloning is the modern structuredClone() method, while the spread operator works perfectly for shallow copies. This ensures proper data handling without reference issues.

Read More…

How to clone an object in JavaScript

Cloning objects is crucial when you need to create copies without affecting the original object, especially in state management and functional programming. As the creator of CoreUI, a widely used open-source UI library, I’ve implemented object cloning countless times in component state handling and data manipulation. From my expertise, the most modern and clean approach is using the spread operator for shallow cloning. This method is concise, readable, and well-supported across all modern browsers.

Read More…

How to clone an object in JavaScript

Cloning objects is crucial when you need to create copies without affecting the original object, especially in state management and functional programming. As the creator of CoreUI, a widely used open-source UI library, I’ve implemented object cloning countless times in component state handling and data manipulation. From my expertise, the most modern and clean approach is using the spread operator for shallow cloning. This method is concise, readable, and well-supported across all modern browsers.

Read More…

How to clone an object in JavaScript

Cloning objects is crucial when you need to create copies without affecting the original object, especially in state management and functional programming. As the creator of CoreUI, a widely used open-source UI library, I’ve implemented object cloning countless times in component state handling and data manipulation. From my expertise, the most modern and clean approach is using the spread operator for shallow cloning. This method is concise, readable, and well-supported across all modern browsers.

Read More…

How to clone an array in JavaScript

Cloning arrays is crucial for maintaining immutability, preventing unintended mutations, and implementing state management patterns in modern JavaScript applications. With over 25 years of experience in software development and as the creator of CoreUI, I’ve implemented array cloning countless times in components like form builders, data grids, and state managers where original arrays must remain unchanged. From my extensive expertise, the most modern and efficient solution is using the ES6 spread operator, which creates a shallow copy of the array. This approach is concise, readable, and preserves the original array’s integrity.

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Answers by CoreUI Core Team