What is the purpose of seal method
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The Object.seal() method is used to seal an object, by preventing new properties from being added to it and marking all existing properties as non-configurable. But values of present properties can still be changed as long as they are writable. Let’s see the below example to understand more about seal() method
const object = {
property: “Welcome JS world”,
};
Object.seal(object);
object.property = “Welcome to object world”;
console.log(Object.isSealed(object)); // true
delete object.property; // You cannot delete when sealed
console.log(object.property); //Welcome to object world