Cov txheej txheem:
- Dab tsi ua rau cov khoom tiv thaiv tsis tuaj yeem?
- Yuav ua li cas tshem tawm ib feem?
- Dab tsi yog unmounting ib feem?
- Kuv yuav ua li cas thiaj paub yog tias cov khoom tsis raug tshem tawm?
Video: Yuav ua li cas tiv thaiv kev tiv thaiv los ntawm kev tshem tawm?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Sing react-router koj tuaj yeem tiv thaiv txoj kev hloov pauv tau yooj yim (uas yuav tiv thaiv kev tiv thaiv unmount) los ntawm kev siv Prompt. Koj yuav tsum tau manually hla tus getUserConfirmation prop uas yog ib qho haujlwm. Koj tuaj yeem hloov kho qhov haujlwm no raws li koj nyiam hauv txhua Router (Browser, Memory lossis Hash) los tsim koj cov lus pom zoo kev cai (piv txwv li.
Dab tsi ua rau cov khoom tiv thaiv tsis tuaj yeem?
Cov ntsiab lus raug tshem tawm thaum niam txiv tivthaiv tsis tau rov ua ntxiv lawm lossis tus niam txiv tivthaiv ua qhov hloov tshiab uas tsis ua qhov piv txwv no.
Yuav ua li cas tshem tawm ib feem?
Unmount a React Node
React muaj qib API sab saum toj hu ua unmountComponentAtNode uas tshem tawm ib feem ntawm lub thawv tshwj xeeb. Lub luag haujlwm unmountComponentAtNode siv qhov kev sib cav ua lub thawv los ntawm cov khoom tshwj xeeb yuav tsum raug tshem tawm.
Dab tsi yog unmounting ib feem?
Lub hom phiaj ntawm txoj kev no yog txhawm rau rhuav tshem cov kev mob tshwm sim uas tsim los ntawm kev tivthaiv Thaum cov khoom siv tsis raug tshem tawm, peb siv tsis tau dua. Txhua lub sij hawm ib qho tshiab tau tsim. Tsis tas li yog tias tsis muaj qhov sib txawv hauv virtual dom thiab qhov tseeb dom, react tuaj yeem nres lub sijhawm hloov tshiab ib yam nkaus.
Kuv yuav ua li cas thiaj paub yog tias cov khoom tsis raug tshem tawm?
Tsuas set a _isMounted cuab yeej rau muaj tseeb hauv componentDidMount thiab teeb nws rau qhov tsis tseeb hauv componentWillUnmount, thiab siv qhov hloov pauv no los kuaj xyuas koj cov xwm txheej. Ib qho kev daws teeb meem zoo tshaj plaws yuav yog nrhiav cov chaw uas setState yuav raug hu tom qab ib qho kev cuam tshuam tau unmounted, thiab kho lawv.
Pom zoo:
Yuav ua li cas txoj kev sib yuav ntawm menyuam yaus yuav tsum raug tshem tawm?
Cov neeg sib tw hais tias xaus kev sib yuav me nyuam yuav txhawb kev ua kom tiav Cov Hom Phiaj los ntawm kev txhim kho kev nkag mus rau kev kawm, txhawb kev loj hlob ntawm kev lag luam, txhawb kev noj zaub mov zoo thiab kev ruaj ntseg zaub mov, thiab txhim kho kev noj qab haus huv ntawm niam thiab menyuam.
Dab tsi yog qhov sib txawv ntawm kev tshem tawm thiab tshem tawm?
Dismanle - sib ncaim. Demolish los yog raze. Mus strip ntawm npog. Disassemble - muab sib nrug (ib thooj ntawm cov tshuab thiab lwm yam) . Puas muaj lo lus hu ua disassemble? Koj siv tau lo lus disassemble thaum twg ib yam dab tsi dismantled los yog tawg mus rau hauv pieces.
Leej twg yog lub luag haujlwm rau kev teem caij thiab tshem tawm ntawm tus neeg tiv thaiv pej xeem?
(8) Tus Tiv Thaiv Pej Xeem tuaj yeem raug tshem tawm ntawm qhov chaw ua haujlwm los ntawm tus Thawj Tswj Hwm, tab sis tsuas yog vim muaj kev coj tsis ncaj, tsis muaj peev xwm lossis tsis muaj peev xwm, txiav txim siab los ntawm pawg neeg sib koom ua ke ntawm Tsev ntawm Parliament, tsim raws li tau muab nyob rau hauv ntu ntu (2) (a), thiab thaum tau txais qhov chaw nyob los ntawm National Assembly thiab… Leej twg yog tus lav lub luag haujlwm rau kev teem sijhawm ntawm T
Ntawm kev kuaj tshuaj tiv thaiv kab mob tiv thaiv kab mob?
Kev kuaj mob hnyav yog siv los txiav txim seb cov tshuaj tua kab mob twg yuav cuam tshuam kev loj hlob ntawm cov kab mob lossis cov kab mob ua rau muaj kab mob tshwj xeebCov txiaj ntsig ntawm qhov kev sim no yuav pab tus kws kho mob txiav txim siab seb cov tshuaj twg yog yuav ua tau zoo tshaj plaws hauv kev kho tus neeg mob .
Yuav ua li cas tshem tawm cov stains uas tsis tuaj yeem tshem tawm ntawm cov khaub ncaws?
Saturate set-in stains with vinegar, ces rub qhov chaw nrog ib qho tshuaj txhuam los ntawm qhov sib npaug ntawm vinegar thiab ci dej qab zib. Koj tuaj yeem ntxiv ob peb tablespoons txhua yam ntawm vinegar thiab ntxhua khaub ncaws ntxhua khaub ncaws rau ib lub thoob dej thiab tsau cov khaub ncaws thaum hmo ntuj yog tias cov stain tseem nyob.
