Q11. What are enhanced object literals?
Object literals make it easy to quickly create objects with properties inside the curly braces. For example, it provides shorter syntax for common object property definit...
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Q12. How do you prevent promises swallowing errors?
While using asynchronous code, JavaScript’s ES6 promises can make your life a lot easier without having callback pyramids and error handling on every second line. But Pro...
Q13. What is module scope in JavaScript?
Module scope is a feature introduced with ES6 (ES2015) modules that creates a scope specific to a module file, isolating variables and functions declared within it from t...
Q14. What are Symbols and what are their use cases?
Symbol is a primitive data type introduced in ES6 that creates unique and immutable values. Each Symbol value is guaranteed to be unique, even if they have the same descr...