Dab tsi yog siv cov selector hauv angular 7?
Dab tsi yog siv cov selector hauv angular 7?

Video: Dab tsi yog siv cov selector hauv angular 7?

Video: Dab tsi yog siv cov selector hauv angular 7?
Video: Nej cov poj laib ua zoo tsam looj hlias Npauj kub xyooj & Nkauj ntxawm Mv 2023 2024, Hlis ntuj nqeg
Anonim

Cov xaiv attribute cia peb txhais li cas Angular raug txheeb xyuas thaum lub ntsiab lus siv hauv HTML. Nws qhia Angular tsim thiab ntxig ib qho piv txwv ntawm cov khoom siv no uas nws pom qhov xaiv tag hauv Parent HTML cov ntaub ntawv hauv koj lub kaum sab xis app.

Kuj paub, siv cov selector hauv angular yog dab tsi?

Cov xaiv yog ib yam khoom nyob rau hauv lub lub kaum sab xis tivthaiv uas txheeb xyuas cov lus qhia nyob rau hauv ib tug template thiab ua rau instantiation ntawm cov lus qhia. Cov xaiv yuav tsum tau tshwj xeeb kom nws tsis override uas twb muaj lawm cov khoom los yog cov khoom muaj nyob rau ntawm ib tug xov tooj ntawm lwm tus neeg pob khoom.

Tsis tas li ntawd, AngularJS selector yog dab tsi? Angular Xaiv . Angular Xaiv yog haiv neeg AngularJS cov lus qhia uas hloov lub thawv yooj yim mus rau hauv tag nrho html xaiv nrog typeahead.

Ib yam li ntawd, kev siv selector yog dab tsi?

Ib jQuery Xaiv yog ib txoj haujlwm uas ua rau siv ntawm cov kab lus kom paub cov ntsiab lus sib txuam los ntawm DOM raws li cov txheej txheem muab. Tsuas yog koj tuaj yeem hais, xaiv yog siv los xaiv ib lossis ntau lub ntsiab lus HTML siv jQuery. Thaum ib lub caij raug xaiv ces peb tuaj yeem ua ntau yam haujlwm ntawm cov khoom xaiv ntawd.

Dab tsi yog cov lus qhia hauv angular 7?

Angular 7 Cov Lus Qhia . Cov lus qhia yog cov lus qhia hauv DOM. Lawv piav qhia yuav ua li cas tso koj cov khoom thiab kev lag luam logic rau hauv Angular . Cov lus qhia yog js class thiab tshaj tawm tias @ lus qhia.

Pom zoo: