2 Answers Exclusive | Cisco Javascript Essentials

B) new Set(arr) (in combination with the spread operator) Explanation: The most elegant way is to use a Set . Sets store unique values of any type. To convert it back to an array, you would use the spread operator: arr = [...new Set(arr)] . The filter option (D) also works, but the Set method is generally preferred for its readability and performance.

Building directly on the foundations of JavaScript Essentials 1, this intermediate-to-advanced course teaches you to model real-world problems using object-oriented programming techniques and explore more complex aspects of the language. By the end of the course, you will be comfortable writing complex and dynamic web applications and working in environments like Node.js. cisco javascript essentials 2 answers exclusive

The finally block executes regardless of whether an error was thrown or caught. B) new Set(arr) (in combination with the spread

Promise (Microtask queue—executed immediately after the call stack clears) The filter option (D) also works, but the

Solving specific hands-on labs where syntax requirements might be strict. Certification Prep:

The most effective way to solidify your knowledge is to practice writing code. The exam features coding exercises, and the skills you build by actively programming are far more valuable than any answer key. Create your own objects, write functions, and build small projects to apply what you've learned.

A high-quality study feature should prioritize these four core modules: