Cov menyuam React yog dab tsi?
Cov menyuam React yog dab tsi?

Video: Cov menyuam React yog dab tsi?

Video: Cov menyuam React yog dab tsi?
Video: Menyuam Laib - Chenning x Keeneng (Mr. Dab Reaction) 2024, Kaum ib hlis
Anonim

Dab tsi yog menyuam ? Cov menyuam , hauv Teb , xa mus rau lub thawv generic uas nws cov ntsiab lus tsis paub txog kom txog thaum lawv dhau los ntawm cov niam txiv. Qhov no txhais li cas? Nws tsuas yog txhais tau hais tias cov khoom siv yuav tso tawm txhua yam uas suav nrog hauv nruab nrab ntawm qhov qhib thiab kaw cov cim npe thaum hu rau cov khoom.

Tsuas yog li ntawd, koj yuav ua li cas rau cov me nyuam nyob rau hauv react?

Yog li ntawd peb txhua tus nyob rau tib nplooj ntawv: Teb tso cai rau koj hla menyuam rau ib feem los ntawm nesting lawv hauv nws JSX tag. Cov ntsiab lus no (xoom, ib qho, lossis ntau dua) tau tsim muaj nyob rau hauv cov khoom ntawd raws li lub npe hu ua menyuam . React cov me nyuam prop zoo ib yam li Angular's transclusion lossis Vue's s.

Ib yam li ntawd, dab tsi yog ib feem ntawm menyuam yaus? Niam txiv tiv thaiv yog a tiv thaiv uas muaj qhov dav dav thiab a tus me nyuam tivthaiv yog a tiv thaiv uas yog sib nrug ntawm qhov uas tab sis tsis yog tag nrho nws. Ib qho piv txwv yog nplooj ntawv html uas muaj lub toolbar, thaj chaw cov ntsiab lus thiab ib lub rooj hauv cov ntsiab lus.

Qhov sib thooj, dab tsi ua rau cloneElement ua?

Cov Teb . cloneElement () muaj nuj nqi xa rov qab ib daim qauv ntawm ib qho kev teev tseg. Cov khoom siv ntxiv thiab cov menyuam yaus ua tau yuav kis tau rau hauv kev ua haujlwm. Koj yuav siv txoj haujlwm no thaum niam txiv xav tau ntxiv lossis hloov kho cov khoom siv ntawm nws cov menyuam.

Thaum twg koj yuav tsum siv cov tshuaj PureComponent?

Cheebtsam thiab PureComponent muaj ib Qhov sib txawv Thaum cov khoom siv lossis lub xeev hloov pauv, PureComponent yuav ua qhov sib piv ntiav ntawm ob qho tib si props thiab xeev. Cov khoom ntawm qhov tod tes yuav tsis piv cov khoom siv tam sim no thiab lub xeev rau tom ntej ntawm lub thawv.

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