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This article will explain in detail how JavaScript uses recursion to remove weight. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Using recursion to remove weight

Function unique (arr) {var array= arr; var len = array.length; array.sort (function (function) {/ / after sorting, it is more convenient to deduplicate return a-b;}) function loop (index) {if (index > = 1) {if (index,1);} loop (index-1); / / Recursive loop, then array deduplication}} loop (len-1); return array } var arr = [1 unique (arr)) / / [1 unique (arr), "true", true,15, false, 1, {… }, null, NaN, NaN, "NaN", 0, "a", {... }, undefined] this is the end of the article on "how JavaScript uses recursion to remove weight". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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