What are some advanced JavaScript operators I should know?
An example of an AI chatbot conversation about advanced JavaScript operators.
What are some advanced JavaScript operators I should know?
Some advanced JavaScript operators include the spread operator, rest parameters, and the nullish coalescing operator.
Can you explain the spread operator with an example?
Sure! The spread operator (...) allows you to expand an iterable, like an array, into individual elements. For example: const arr = [1, 2, 3]; const newArr = [...arr, 4, 5]; results in newArr being [1, 2, 3, 4, 5].
What about the nullish coalescing operator?
The nullish coalescing operator (??) returns the right-hand operand when the left-hand operand is null or undefined. For example: const value = null ?? 'default'; will set value to 'default'.
Are there any other operators I should be aware of?
Yes, you might also want to look into the optional chaining operator (?.) which allows you to safely access deeply nested properties.
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