Video: Puas yog neeg xiam oob khab lossis khoom ntiag tug?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov neeg xiam attribute yog boolean tus cwj pwm . Thaum tam sim no, nws qhia tias lub ntsiab yuav tsum yog neeg tsis taus . A neeg tsis taus element yog siv tsis tau. Cov neeg xiam attribute tuaj yeem teeb tsa kom tus neeg siv los ntawm kev siv lub caij kom txog rau thaum qee qhov xwm txheej tau ntsib (xws li xaiv lub checkbox, thiab lwm yam).
Tib neeg kuj nug, cov cwj pwm thiab cov cuab yeej zoo ib yam?
Yam ntxwv yog qhov zoo lossis khoom uas peb tus cwj pwm rau ib tug neeg los yog ib yam dab tsi. Piv txwv li, scepter yog ib qho tus cwj pwm ntawm lub hwj chim thiab lub xeev. Khoom yog qhov zoo uas muaj nyob yam tsis muaj kev cuam tshuam. Piv txwv li, av nplaum muaj cov nplaum zoo; los yog, ib qho ntawm cov khoom ntawm hlau yog hluav taws xob conductivity.
Yuav ua li cas koj teem ib tug neeg xiam oob qhab hauv HTML? Txhais thiab siv A neeg tsis taus input element yog unusable thiab un-clickable. Cov neeg xiam attribute tuaj yeem yog teeb kom tus neeg siv los ntawm kev siv lub caij kom txog rau thaum qee qhov xwm txheej tau ntsib (xws li xaiv lub checkbox, thiab lwm yam). Tom qab ntawd, JavaScript tuaj yeem tshem tawm neeg tsis taus tus nqi, thiab ua kom cov khoom siv tau.
Yog li ntawd, cov neeg xiam oob qhab puas tau xa tuaj?
Qhov txawv ntawm neeg tsis taus thiab readonly yog qhov uas nyeem nkaus xwb ua tau tseem ua haujlwm thiab tseem focusable, whereas neeg tsis taus tswj ua tau tsis tau txais tsom thiab tsis yog xa nrog rau daim ntawv thiab feem ntau ua tsis ua haujlwm raws li kev tswj kom txog thaum lawv tau qhib.
Ib tug div puas muaj tus cwj pwm tsis taus?
Koj ua tau ua div neeg xiam los ntawm kev ntxiv neeg xiam attribute . Koj ua tau kuj xaiv lub hom phiaj div ua cov me nyuam thiab ntxiv ib " neeg tsis taus "css class rau lawv nrog txawv qhov muag pom kev raws li ib tug callout. yog koj xav nkaum tag nrho div ua los ntawm qhov pom hauv lwm qhov screen loj.
Pom zoo:
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Yuav ua li cas koj thiaj paub tias lub subnet yog pej xeem lossis ntiag tug?
'tus kheej'. Public subnets muaj ib txoj hauv kev mus rau Internet Gateway; private subnets tsis muaj. Yog li, txhawm rau txiav txim siab seb lub subnet puas yog pej xeem lossis ntiag tug, koj yuav tsum piav qhia txog cov lus qhia uas cuam tshuam nrog lub subnet ntawd. Qhov ntawd yuav qhia koj txog txoj hauv kev thiab koj tuaj yeem sim rau 0.0
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