JavaScript Tricks #1 - Remove Duplicates From Array
JS Tricks #1
Remove duplicate items from an array using set! You can also do this using the .filter() method but using set is cleaner and easier!
From developer.mozilla.org:
Set objects are collections of values. You can iterate through the elements of a set in insertion order. A value in the Set may only occur once; it is unique in the Set's collection. Because each value in the Set has to be unique, the value equality will be checked. In an earlier version of ECMAScript specification, this was not based on the same algorithm as the one used in the === operator. Specifically, for Sets, +0 (which is strictly equal to -0) and -0 were different values. However, this was changed in the ECMAScript 2015 specification. See "Key equality for -0 and 0" in the browser compatibility table for details.
Read more: https://developer.mozilla.org/en-US/d...
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