Import ua haujlwm li cas hauv JavaScript?
Import ua haujlwm li cas hauv JavaScript?

Video: Import ua haujlwm li cas hauv JavaScript?

Video: Import ua haujlwm li cas hauv JavaScript?
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Qhov zoo li qub ntshuam nqe lus yog siv rau ntshuam bindings uas yog exported los ntawm lwm module. Imported modules yog nyob rau hauv nruj hom txawm hais tias koj tshaj tawm lawv li ntawd los yog tsis. Cov ntshuam nqe lus yuav siv tsis tau rau hauv embedded scripts tshwj tsis yog tias cov ntawv no muaj.

Hauv qhov no, yuav ua li cas import JavaScript ua haujlwm?

Javascript Ntshuam nqe lus yog siv rau ntshuam khi tias yog exported los ntawm lwm module. Yog hais tias koj muaj ib tug heev complex app thiab yuav tsum scroll los ntawm pua pua los yog txhiab tus kab ntawm code, ces ib txoj hauj lwm ntawm debugging los yog cia li nkag siab lub app yuav nyuaj npaum li cas.

Ntxiv thiab, yog dab tsi yog import thiab export hauv JavaScript? Cov xa tawm nqe lus yog siv thaum tsim JavaScript modules rau xa tawm functions, objects, los yog primitive values los ntawm lub module yog li ntawd lawv yuav siv tau los ntawm lwm yam kev pab cuam nrog rau cov ntshuam nqe lus. Cov xa tawm nqe lus tsis tuaj yeem siv rau hauv cov ntawv sau.

Qhov thib ob, kuv puas tuaj yeem siv ntshuam hauv JavaScript?

Qhov zoo li qub ntshuam nqe lus yog siv rau ntshuam bindings uas yog exported los ntawm lwm module. Cov ntshuam nqe lus tsis tuaj yeem yog siv nyob rau hauv embedded scripts tshwj tsis yog tias cov ntawv no muaj. Kuj tseem muaj kev ua haujlwm zoo li dynamic ntshuam (), uas ua tsis xav tau scripts ntawm.

Cov modules ua haujlwm li cas hauv JavaScript?

A module yog ib cov ntaub ntawv xwb. Ib tsab ntawv yog ib qho module . Cov qauv tuaj yeem thauj ib leeg thiab siv cov lus qhia tshwj xeeb export thiab ntshuam rau interchange functionality, hu ua functions ntawm ib tug module los ntawm lwm tus: export cov ntawv lo lus tseem ceeb hloov pauv thiab ua haujlwm uas yuav tsum nkag tau los ntawm sab nraud tam sim no module.

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