Cov txheej txheem:
Video: Cov ntsiab lus hauv JavaScript yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
12 JavaScript Concepts Yuav Ua Li Cas Txhim Kho Koj Cov Kev Txawj Ntse
- Tus nqi vs. Reference Variable Assignment.
- Kaw. Kaw yog qhov tseem ceeb JavaScript qauv muab tus kheej nkag mus rau qhov sib txawv.
- Kev puas tsuaj.
- Tshaj tawm Syntax.
- So Syntax.
- Txoj Kev Array.
- Cov tshuab hluav taws xob.
- Tus Neeg Ua Haujlwm Tus Kheej (===) vs.
Raws li, cov ntsiab lus tseem ceeb hauv JavaScript yog dab tsi?
Cov ntsiab lus yooj yim hauv JavaScript
- Hais txog JavaScript: JavaScript yog ib hom lus sau uas siv los ua koj lub vev xaib dynamic.
- Qhov tseem ceeb hauv JavaScript: Txhua lub computer lub cim xeeb tuav yog Cov Ntaub Ntawv thiab sawv cev Cov Ntaub Ntawv hauv JavaScript yog hu ua Tus Nqi.
- Tus naj npawb:
- Cov hlua:
- Boolean:
- Tsis tau txhais:
- Muaj nuj nqi:
- Yam khoom:
Ib tug kuj yuav nug, dab tsi yog '$' hauv JavaScript? Hloov tshiab Lub Xya hli ntuj 03, 2019. Tus lej kos npe ($) thiab cov cim hauv qab (_) yog JavaScript tus ID, uas txhais tau hais tias lawv txheeb xyuas ib yam khoom zoo ib yam li lub npe. Cov khoom uas lawv txheeb xyuas muaj xws li cov khoom sib txawv, cov haujlwm, cov khoom, cov xwm txheej, thiab cov khoom.
Kuj kom paub yog, dab tsi yog cov ntsiab lus hauv JavaScript?
Luv luv tau hais tag nrho cov ntsiab lus ntawm no:
- Prototypes thiab nws cov qub txeeg qub teg (kuj prototypal saw)
- Kaw, Scope, lexical Scope thiab Hoisting.
- Cov ntsiab lus thiab Object oriented tsim.
- Runtime execution thiab hu pawg qauv.
- Functional programming hauv javascript.
- Currying thiab Higher order functions.
Kuv tuaj yeem tsim dab tsi nrog JavaScript?
Cov Khoom Txias Koj tuaj yeem tsim nrog JavaScript
- Web Servers.
- Web Applications.
- Cov ntawv thov txawb.
- Ntse Watches.
- Digital Art.
- Kev nthuav qhia raws li Lub Vev Xaib.
- Browser-Based Games.
- Autonomous Flying Robots thiab Drones.
Pom zoo:
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