"Covers ES2020"--Page 1 of cover

The new toys in ES2015-ES2020, and beyond -- Block-scoped declarations: let and const -- New function features -- Classes -- New object features -- Iterable, iterators, for-of, iterable spread, generators -- Destructuring -- Promises -- Asynchronous functions, iterators, and generators -- Templates, tag functions, and new string features -- New array features, typed arrays -- Maps and sets -- modules -- Reflection--Reflect and Proxy -- Regular expression updates -- Shared memory -- Miscellany -- Upcoming class features -- A look ahead -- Fantastic features and where to find them

Includes index

"V152594_062220"--Title page verso