Video: Puas muaj ntau yam haujlwm hauv JavaScript?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
JavaScript kuj muaj iterators thiab lawv nyob nraum ntau qhov chaw npaum li generating tag nrho array thiab khaws cia rau hauv lub cim xeeb. Yog li qhov tseeb dua sawv cev ntawm Python 3's ntau (n) muaj nuj nqi yog Array(n). cov yuam sij(). Tsis yog, nyob ntawd tsis muaj, tab sis koj tuaj yeem ua ib qho.
Tsuas yog li ntawd, dab tsi yog ntau yam hauv JavaScript?
# javascript . ntau yog ib qho kev ua haujlwm uas pib siv nyob rau hauv qhov pib qhov ntsuas thiab xaus qhov ntsuas tom qab ntawd rov qab cov npe ntawm txhua tus lej txij thaum pib mus txog thaum xaus. Txoj kev pom tseeb tshaj plaws yuav yog siv lub voj voog.
Ib yam li ntawd, lub voj voog pib li cas? Rau Loop nqe lus 1 yog raug tua (ib zaug) ua ntej qhov kev ua tiav ntawm cov cai thaiv. Nqe lus 2 txhais cov xwm txheej rau kev ua tiav cov cai thaiv. Nqe lus 3 yog raug tua (txhua lub sijhawm) tom qab lub code thaiv tau raug tua.
Ib yam li ntawd, qhov ntau npaum li cas rau JavaScript tus lej?
Los ntawm lub neej ntawd, JavaScript tso saib tus lej as base 10 decimals. Tab sis koj tuaj yeem siv txoj kev toString() tso tawm tus lej los ntawm lub hauv paus 2 mus rau hauv paus 36.
Node runtime yog dab tsi?
Node . js yog lub platform tsim los ntawm Chrome's JavaScript runtime kom yooj yim tsim ceev thiab scalable network daim ntaub ntawv. Node . js yog qhov chaw qhib, hla lub platform lub sijhawm ua haujlwm ib puag ncig rau kev tsim cov server-sab thiab kev siv networking.
Pom zoo:
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