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Questions and Answers
Which ECMAScript specification introduced destructuring, rest parameters, and spread syntax in JavaScript?
What do destructuring, rest parameters, and spread syntax provide in JavaScript?
Which of the following is NOT a feature introduced by the ECMAScript 2015 Edition?
What is the purpose of rest parameters in JavaScript?
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Which languages may not have corresponding syntax for destructuring, rest parameters, and spread in JavaScript?
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Study Notes
ECMAScript Specification and Features
- The ECMAScript 2015 Edition introduced destructuring, rest parameters, and spread syntax in JavaScript.
Benefits of Destructuring, Rest Parameters, and Spread Syntax
- Destructuring, rest parameters, and spread syntax provide a more concise and expressive way of working with data in JavaScript.
Features NOT Introduced by ECMAScript 2015 Edition
- None of the above options (destructuring, rest parameters, and spread syntax) are NOT features introduced by the ECMAScript 2015 Edition.
Purpose of Rest Parameters
- Rest parameters allow for the capture of multiple arguments into a single array parameter in a function.
Languages without Corresponding Syntax
- Languages like C, C++, and Java may not have corresponding syntax for destructuring, rest parameters, and spread in JavaScript.
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Description
Test your knowledge of JavaScript's destructuring, rest parameters, and spread syntax with this quiz. Learn how to efficiently work with arrays and objects in JavaScript.
