Web / ES6 Interview questions

What is ES6 or ECMAScript 2015?

ES6 was released in June 2015 as the sixth edition of the language. Initially, it was named ES6 and later renamed to ECMAScript 2015. This edition includes several new features such as modules, iterators, class, arrow functions, for...of loop, promises, and many more. Brendan Eich developed it.

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Difference between Named Exports and Default exports in ES6. What is ES6 or ECMAScript 2015? What is ECMAScript? Explain let and const keywords. Explain arrow function in ES6. Difference between const vs Object.freeze(). What is Promise.race()?

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