Description: Object.seal is a method in JavaScript that allows sealing an object, meaning that no new properties can be added to that object. However, existing properties can be modified. This method is part of the family of object manipulation methods in JavaScript, which also includes Object.freeze and Object.preventExtensions. By sealing an object, a level of protection is established that can be useful in various programming situations, especially when there is a desire to maintain the integrity of an object’s structure while allowing modifications to its values. The use of Object.seal is particularly relevant in software development where data consistency is crucial, as it helps prevent errors that may arise from adding unwanted properties. This method returns the sealed object, allowing for chained calls and facilitating its use in code. In summary, Object.seal is a powerful tool for managing the mutability of objects in JavaScript, providing a balance between flexibility and control.
