Keyboard focusable txhais li cas?

Cov txheej txheem:

Keyboard focusable txhais li cas?
Keyboard focusable txhais li cas?

Video: Keyboard focusable txhais li cas?

Video: Keyboard focusable txhais li cas?
Video: What is Focus? -- A11ycasts #03 2024, Hlis ntuj nqeg
Anonim

Hauv cov ntsiab lus yooj yim, ua kom pom tseeb qhia cov neeg siv khoom sib txuas uas tau xaiv tam sim no kom tau txais cov tswv yim. … Cov ntsiab lus uas tsom tau yog ib txwm yog cov uas cov neeg siv tuaj yeem cuam tshuamnrog, xws li kev sib txuas thiab daim ntawv tswj hwm. Feem ntau tsis tas yuav teeb tsom rau qee yam yog tias tus neeg siv tsis tuaj yeem cuam tshuam nrog nws.

tsom xam txhais li cas?

1. Ua rau (lub teeb rays, piv txwv li) mus rau ntawm lossis mus rau qhov chaw nruab nrab; mloog zoo. 2.a ib. Txhawm rau muab (ib yam khoom lossis duab) hauv cov qauv qhia meej lossis nthuav dav los ntawm kev hloov kho ntawm ib qho kev pom lossis ib qho khoom siv kho qhov muag; ua kom pom tseeb.

Dab tsi yog lub ntsiab lus tseem ceeb?

Cov ntsiab lus ntawm hom hauv qab no yog tsom tau yog tias lawv tsis muaj kev xiam oob qhab: nkag, xaiv, textarea, khawm, thiab khoom. Anchors yog tsom tau yog tias lawv muaj tus yam ntxwv href lossis tabindex. cov ntsiab lus hauv cheeb tsam yog tsom tau yog tias lawv nyob hauv daim ntawv qhia npe, muaj tus cwj pwm href, thiab muaj cov duab pom uas siv daim ntawv qhia.

Lub ntsiab lus txhais li cas hauv HTML?

Dab tsi yog tsom tau? Ua-nyob rau hauv kev sib tham sib HTML ntsiab lus xws li cov ntawv teb, cov nyees khawm, thiab xaiv cov npeyog qhov tseem ceeb, txhais tau tias lawv tau txais kev tso rau hauv tab kev txiav txim thiab muaj cov kev tshwm sim hauv keyboard tuav yam tsis muaj kev cuam tshuam tus tsim tawm.

Kuv yuav ua kom kuv cov keyboard tsom tau li cas?

Koj tuaj yeem ua kom pom tseeb los ntawm ntxiv tabindex=0 tus nqi tus nqi rau nws. Qhov ntawd yuav ntxiv cov ntsiab lus rau cov npe ntawm cov ntsiab lus uas tuaj yeem tsom los ntawm nias lub tab tab, nyob rau hauv cov kab ke ntawm cov ntsiab lus raws li tau hais tseg hauv daim ntawv HTML.

Pom zoo: