Video: RxJS yog dab tsi hauv JavaScript?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
RxJS yog JavaScript lub tsev qiv ntawv rau kev hloov pauv, sau thiab nug cov ntaub ntawv asynchronous. RxJS tuaj yeem siv ob qho tib si hauv browser lossis hauv server-sab siv Node. js . Xav txog RxJS raws li "LoDash" rau kev tuav cov xwm txheej asynchronous.
Tib neeg kuj nug, RxJS yog dab tsi?
RxJS (Reactive Extensions rau JavaScript) yog ib lub tsev qiv ntawv rau reactive programming siv observables uas ua rau nws yooj yim rau sau asynchronous los yog callback-based code. Saib ( RxJS Cov ntaub ntawv).
Kuv yuav tsum siv RxJS? Yog tias koj qhov kev txiav txim ua rau ntau qhov xwm txheej - siv RxJS . Yog tias koj muaj ntau asynchrony thiab koj tab tom sim sau nws ua ke - siv RxJS . Yog koj khiav rau hauv cov xwm txheej uas koj xav hloov kho ib yam dab tsi reactively - siv RxJS.
Ib yam li ntawd, tib neeg nug, RxJS zoo rau dab tsi?
RxJS tso cai rau koj los ua kom lub zog ntawm koj daim ntawv thov nrog cov txheej txheem reactive programming. Tsuas yog ob peb kab ntawm cov cai tswj tau, koj tuaj yeem muaj multiplex web sockets thiab yooj yim tswj hwm ntau qhov kev thov ajax. RxJS kuj yog zoo heev rau lub xeev tswj nrog asynchronous cov ntaub ntawv ntws.
Dab tsi yog observables hauv JavaScript?
Observables yog cov haujlwm uas cuam tshuam qhov tseem ceeb. Cov khoom hu ua cov neeg soj ntsuam sau npe rau cov txiaj ntsig no. Observables tsim ib tug pub-sub system raws li lub saib tau tsim qauv. Qhov no ua rau saib tau nrov nrog async programming hauv niaj hnub JavaScript lub moj khaum zoo li Angular thiab cov tsev qiv ntawv zoo li React. neeg soj ntsuam.
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