Cov txheej txheem:
Video: Kuv yuav tsim ib qho array hauv node JS li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Rau tsim arrays , koj tuaj yeem siv cov ntawv sau ib txwm siv lossis array literal syntax: var arr1 = new Array (); var arr2 =; Raws li nrog cov khoom, cov lus sau syntax version yog nyiam. Peb tuaj yeem kuaj yog tias qhov khoom yog ib qho array siv cov Array.
Tsis tas li cov lus nug yog, koj ua li cas los tsim ib qho array?
Txhawm rau tsim ib qho array hauv Java, koj siv peb kauj ruam:
- Tshaj tawm qhov sib txawv los tuav cov array.
- Tsim ib qho khoom array tshiab thiab muab nws rau qhov sib txawv array.
- Khaws cov khoom hauv qhov khoom ntawd.
Tom qab ntawd, lo lus nug yog, koj puas tuaj yeem muaj array ntawm cov khoom hauv JavaScript? Array Cov ntsiab lus Ua tau Ua Yam khoom JavaScript sib txawv ua tau ua khoom . Arrays yog hom tshwj xeeb ntawm khoom . Vim li no, koj tuaj yeem muaj variables ntawm ntau hom nyob rau hauv tib yam Array.
Yog li ntawd, yuav ua li cas koj ua ib tug array ntawm cov zauv?
Ib array yog tsim los ntawm kev npaj ib txheej ntawm cov khoom rau hauv kab thiab kab. Txhua kab yuav tsum muaj tib yam tus lej ntawm cov khoom raws li lwm cov kab, thiab txhua kab yuav tsum muaj tib yam tus lej raws li lwm cov kab.
Yuav ua li cas koj tshaj tawm qhov sib txawv array hauv JavaScript?
Tshaj tawm ib array Koj yuav tsum tau tshaj tawm a sib txawv nrog rau var lo lus tseem ceeb, tab sis cov syntax los txhais cov txiaj ntsig ntawm qhov array tshwj xeeb heev: koj yuav tsum qhia Javascript uas koj xav kom nws ua ib qho array . Ua li no, koj muaj ob txoj kev xaiv: lub array literal lossis lo lus tseem ceeb tshiab.
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