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javascriptData StructuresInterview Questions

How to find the average of an array in JavaScript?
How to Flatten an Array?
How to remove duplicates from an array?
What array traversal methods are there in JavaScript? (for loop, for…in, for…of, forEach, map, filter, every, some)
Will passing (a,b) => b - a in JavaScript builit-in sort a be in ascending or descending order? Why?

OverviewHow to find the average of an array in JavaScript?