Binary Search
Write a function that implements the binary search algorithm to find the index of an element in a sorted array.
🟨 JavaScript
🎚️ Medium
🕐 15 min
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Write a function that implements the binary search algorithm to find the index of an element in a sorted array.
Create a `sum` function that adds numbers passed through a chain of calls and returns the result when called without arguments.
Write your own version of the built-in Promise.all() static method that works exactly the same.
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