Home | Reacts Hook Form - Simple reacture form validation

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Home|ReactHookForm-SimpleReactformsvalidationSkiptocontentHomeGetStartedAPITSTSAdvancedFAQsTools▼DevToolsFormBuilderDevToolsForm BuilderResourcesReleasesMore♥ReactHookFormPerformant,flexibleandextensibleformswitheasy-to-usevalidation.DemoGetStarted ▶ReactWebReactNativeReactWebReactNativeDXIntuitive,feature-completeAPIprovidingaseamlessexperiencetodeveloperswhenbuildingforms.HTMLstandardLevereexistingHTMLmarkupandvalidateyourformswithourconstraint-basedvalidationAPI.SuperLightPackesizematters.ReactHookFormisatinylibrarywithoutanydependencies.PerformanceMinimizesthenumberofre-renders,minimizesvalidatecomputation,andfastermounting.AdoptableSinceformstateisinherentlylocal,itcanbeeasilyadoptedwithoutotherdependencies.UXStrivingtoprovidethebestuserexperienceandbringingconsistentvalidationstrategies.Lesscode.MoreperformantReactHookFormreducestHome | Reacts Hook Form - Simple reacture form validationheamountofcodeyouneedtowritewhileremovingunnecessaryre-renders.Nowdiveinandexplorewiththefollowingexample:ReactHookFormimportReactfrom"react";import{useForm}from"react-hook-form";constExample=()=>{const{handleSubmit,register,formState:{errors}}=useForm();constonSubmit=values=>console.log(values);return(<formonSubmit={handleSubmit(onSubmit)}><inputtype="email"{...register("email",{required:"Required",pattern:{value:/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}$/i,messe:"invalidemailaddress"}})}/>{errors.email&&errors.email.messe}<input{...register("username",{validate:value=>value!=="admin"||"Nicetry!"})}/>{errors.username&&errors.username.messe}<buttontHome | Reacts Hook Form - Simple reacture form validationype="submit">Submit</button></form>);};IsolateRe-rendersYouhetheabilitytoisolatecomponentre-renderswhichleadstobetterperformanceonyourpeorapp.Thefollowingexampledemonstratesthis:ReactHookFormChildComponentAChildComponentBChildComponentCVSControlledFormChildComponentAChildComponentBChildComponentCSubscriptionsPerformanceisanimportantaspectofuserexperienceintermsofbuildingforms.YouwillhetheabilitytosubscribetoindividualinputandformStateupdatewithoutre-renderingtheentireform.FasterMountingThefollowingscreenshotsdemonstratehowmuchfastercomponentmountingiswithReactHookFormcomparedtoothers:ReactHookFormNo.ofmount(s):1No.ofcommittingchange(s):1Totaltime:1800msOthersNo.ofmount(s):6No.ofcommittingchange(s):1Totaltime:2070msNo.ofmount(s):17No.ofcommittingchange(s):2Totaltime:2380msHighlightsThisprojectisgettingrecognizedbythecommunityandindustry.Itx27;shelpingmoredeveloperstobuildformsinReactthanever.JascriptRisingStarReactHookFormhematuredandevolvedaroundhooks.SimplifiesapieceofReactdevelopment.ReactOpenSourceAwardsThewinnerof2020GitNationReactOSAwardforthecategoryofProductivityBooster.TechnologyRadarTheprojectisfortunateenoughtobeundertheradarfortheLangues&Frameworkssection.TheCommunityBuildanddrivebythecommunity.OnamissiontomakeeveryReactdeveloperx27;slifeeasierwhenitcomestobuildingforms.Thisiswhereitx27;sat.AReactformlibrarythatisbothwellthoughtoutandflexibleenoughtogetoutofyourwaywhenyouneeditto.AfterfussingaroundwithReactformsforyears,switchingtoreact-hook-formfeelslikeasuperpower.Everythingrunsfasterandmycodeiscleaner.Creatingaformisnomorecomplicatedwhilebuildingareactapplicationwiththehelpofreact-hook-form.MostofthetimeIusethispackeforcreatingaformasvalidationissomuchsimplehere.ItisthebestformmakerformewhileIstoptoworkwithformika.Veryniceuserinterfaceandperformancearegood.ThebestReactformlibrarythatIheeverusedwhilebuildingareactappbecauseofitsutilityandsimplicity.Ithasalotofusefultoolsanddoesn’trequiremuchcodeHome | Reacts Hook Form - Simple reacture form validationcomparedtoFormik,andReduxForm.Asthenumberofre-rendersintheapplicationissmallandmountingtimeislessitissupersmooth.LiveDemoThefollowingformdemonstratesformvalidationinaction.Eachcolumnrepresentswhathasbeencapturedinthecustomhook.YoucanalsochangefieldsintheformbyclickingtheEDITbutton.ExampleSelect...MrMrsMissDrYes No SubmitorEditWatchⓘChangeinputsvaluetoupdatewatchedvalues{}ErrorsⓘValidationerrorswillappearhereTouchedⓘTouchedfieldswilldisplayhere[]Readytogetstarted?Formhandlingdoesnx27;thetobepainful.ReactHookFormwillhelpyouwritelesscodewhileachievingbetterperformance.GetStartedAPIHomeGetStartedAPITSAdvancedFAQsForm BuilderDevToolsResourcesAboutusMediaDesignedandBuiltby@BillLuo=ReactSimpleAnimate✚LittleStateMachinePleasesupportusbyleinga★@github|FeedbackHostedon▲VercelNowEdit▲if(true){(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*newDate();a=s.createElement(o),m=s.getElementsByTName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','/analytics.js','ga');}if(typeofga==="function"){ga('create','UA-7-1','auto',{});}window.GATSBY_GT_PLUGIN_GA_TRACKING_ID=('UA-7-1');window.GATSBY_GT_PLUGIN_ANONYMIZE=true;varoptions={send_pe_view:false};if(true){options.anonymize_ip=true;}window.dataLayer=window.dataLayer||[];functiongt(){dataLayer.push(arguments);}window.gt=gt;gt('js',newDate());gt('config','UA-7-1',options);varobserver=newMutationObserver(function(mutations,instance){vardocuSearchElem=document.querySelector('#fakeSearch');if(docuSearchElem){docsearch({apiKey:"953c771d83fb6ffd55fe58da997f2d9d",indexName:"react-hook-form",inputSelector:"#fakeSearch",debug:false});instance.disconnect();//stopobservingreturn;}});//startobservingdocument.addEventListener("DOMContentLoaded",function(){observer.observe(document,{childList:true,subtree:true});});