Run results for: Lodash vs. Set Intersection vs Array intersection 3

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36

Browser: Chrome 83

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Javascript Set intersection	76741.2 Ops/sec
Lodash intersection	70380.9 Ops/sec
Array intersection 1	51399.6 Ops/sec
Array intersection 2	247916.9 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.19/lodash.min.js"></script>

Script Preparation code:

var first = ['# of cohort exports','# of Merged Events & Properties','3-month Pricing Plan Experiment Group','[Community] User Email','[Community] User Name','[Community] User Primary Role','[Community] User Rank','[Lexicon]# of Events','[Lexicon]# of Merged Events & Properties','[Lexicon]# of User Properties','[Not3] Last Notification Analytics View','[Not3] Last Priority Update','$sales_region','$tech_segment','a','AAAAAAAAQuickBrownFox','accept_invite_path','Account ID','Account Owner','Account Owner Role','Address','AFEWFWAEFse','age','$android_app_version','$android_brand','$android_devices','asd','asdfasd','asdfasdfasf','$avatar','behavioral prop','Beta Groups','Beta: Help with innovation phase?','Beta: Sign up date','Project owner billing account ID','Birthday','Blog Subscribe Date','$bounce_category','$braze_device_id','$braze_external_id','$browser','Cancelled','$city','$collections','Company','company','Company size','Completed onboarding intro version','Contact Sales Request Date','Content Download Date','$country_code','$created','CSM','Dashboard Whitelisted Project Owner','Domain','$email','encoded_email','Events plan id','Events plan name','Events plan price','events_plan_term_length_in_months','$first_name','fkwjeabsdkaj','foo','foozz','$geo_source','Get Demo Form Submit Date','$group_id','Has "My Dashboard"','Houzz Cohort','In-app Targeting','inviter_email','inviter_name','$ios_device_model','$ios_devices','Is lead','is paid','is_invited_user','id','$last_login','$last_name','Last Purchase','$last_seen','Lifetime Revenue','LinkedIn Handle','$marked_spam','$campaigns','Mixpanel Employee','moinak_test?','Most Active User','$mp_inapp_campaigns','my_special_prop','Name','$name','nesting','new_prop','new_prop_1','new_prop_2','new_prop_3','Num paid events plans','number','one','$os','Opt-in Status','opt_cookies','opt_email','opt_tracking','Organization ID','Organization Name','Origin','Owner','Partner Request Date','People plan price','Phone','$phone','Platforms integrated','Platforms integrated updated','$predict_grade','$predict_grade - Cohorts viewed report','$predict_grade - funnel','$predict_grade - message sent','$predict_grade - New signup predictions','$predict_grade - steve-cohort-test','$predict_grade - To be Signed up users','project_id','Project Name','QBQ Email Mismatch','Random Number','recoverd','recovered','$region','SDKs integrated','Seedlist_PK','SFDC Company','SFDC Last Activity Date','SFDC Owner Email','SFDC Owner Name','SFDC Relationship with Mixpanel','SFDC Role (ClearBit)','SFDC Role Type','SFDC Seniority (ClearBit)','SFDC Title','shold_not_see_this','Sign up date','Tab Views: Entity-management','Tab Views: Experiment-reporting','Tab Views: Funnels','Tab Views: Impact','Tab Views: Journeys','Tab Views: Launch-analysis','Tab Views: Lexicon','Tab Views: Profile','Tab Views: Segmentation','Tab Views: Stickiness','Tab Views: Transformations','Tab Views: Views','Tab Views: Visual-journeys','Tab Views: Workspaces','$team','Team','test3','three','Top_articles','$ae_total_app_sessions','two','$unsubscribed','User name','$username','USER_ID','utm_campaign [last touch]','utm_content [last touch]','utm_medium [last touch]','utm_source [last touch]','utm_term [last touch]','Webinar Form Submit Date','Work Location'];
var second = ["$name", "$last_seen", "$country_code", "$region", "$city", "Account: ARR - Services", "Account: ARR - Total", "Account: CSM", "Account: current events tally", "Account: current MTU tally", "Account: current people tally", "Account: events/MTU plan ARR"];

Tests:

Javascript Set intersection
const firstSet = new Set(first); const secondSet = new Set(second); new Set([...firstSet].filter(item => secondSet.has(item)));
Lodash intersection
_.intersection(first, second)
Array intersection 1
first.filter((f) => second.includes(f))
Array intersection 2
second.filter((f) => first.includes(f))

Run results for: Lodash vs. Set Intersection vs Array intersection 3

Javascript Set intersection

Lodash intersection

Array intersection 1

Array intersection 2