JavaScript Problem: Identifying Repeating Entries in an Array
In this tutorial we are going to look at a JavaScript problem. How can we take an array and determine the index location in the array of each element. Now at first this might sound simple. But we are assuming that some elements are in the array more than once. So we want to get the index of each time it exists in the array.
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Tutorials referred to in this video:
Reduce: • The Magic of the reduce Array Method
Sets: • JavaScript Problem: Using Set to Crea...
Counting Occurrences in an Array: • JavaScript Problem: Counting the Numb...
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