4 ms·
> "This object will only ever have these properties; it will never have properties created or deleted" Already in JavaScript: Object.seal(object) > "This prot
by crazypython 6y ago
> "This object will only ever have these properties; it will never have properties created or deleted"
Already in JavaScript: Object.seal(object)
> "This prototype will never be modified at runtime"
Already in JavaScript: Object.freeze(myPrototype)