Quiz
Complete a quiz that reinforces your understanding of modern JavaScript features from ES2016 to ES2022. Practice refactoring code using newer syntax like the exponential operator and prepare to learn about upcoming ES2017 enhancements.
We'll cover the following...
We'll cover the following...
Quiz #
Technical Quiz
1.
What new array method was introduced in ES2016?
A.
Array.prototype.contains()
B.
Array.prototype.has()`
C.
Array.prototype.includes()
D.
Array.prototype.find()
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