Web Reference: Loop through, remove duplicates, and create a clone array place holder, because the array index will not be updated. Loop backward for better performance (your loop wonβt need to keep checking the length of your array). Jul 23, 2025 Β· To Remove the elements from an array we can use the JavaScript set method. Removing duplicate elements requires checking if the element is present more than one time in the array. In this video on Code with Tanvi, we solve a common JavaScript coding interview question: removing duplicate elements from an array.
YouTube Excerpt: Link to Code : https://gist.github.com/kirkdrichardson/aab3b84ae9cee720b730bcd06b759d40#file-has_duplicates-
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Last Updated: April 8, 2026
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