let set= new Set (needDealWitharray);
let resArray=Array.from (set); / / Array conversion completed
let set= new Set (needDealWitharray);
let resArray=Array.from (set); / / Array conversion completed
personal experience, nothing. Es6 native methods, the impact on the performance is basically negligible
since the native support for set, naturally want you to use it, performance issues are not what you need to consider.
engines are already V8, which can basically be ignored.
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