Published Mar 02, 2022
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The static method Object.defineProperty() defines a new property directly on
an object, or modifies an existing property on an object, and returns the
object.
const object1 = {};
Object.defineProperty(object1, 'property1', {
value: 42,
writable: false
});
object1.property1 = 77;
// throws an error in strict mode
console.log(object1.property1);
// expected output: 42
Object.defineProperty(obj, prop, descriptor)
Object
prop
Symbol of the property to be defined or modified.descriptor
The object that was passed to the function.