BIGINT: Developers have much greater integer representaion in their JS code for data processing for data handling
PROMISE.ALLSETTLED: Accepts an array of Promises and only resolves when all of them are settled-either resolved or rejected.
NULLISH COALESCING: Adds the ability to truly chech nullish values instead of falsey values.
STRING.MATCHALL: Returns an interator which returns all matched groups one after another.
GLOBALTHIS: Always refers to the global object, no matter where you are executing your code.
OPTIONAL CHAINING: Allows yout to access deeply nested object properties without worrying if the property exits or not.If it exists,great! If not ,undefined will be returned.
DYNAMIC IMPORT: Give you the option to import JS files dyamically as modules in your application natively