Dom scraping yog dab tsi?
Dom scraping yog dab tsi?

Video: Dom scraping yog dab tsi?

Video: Dom scraping yog dab tsi?
Video: yog hmoov dab tsi tub huas xyooj 2024, Kaum ib hlis
Anonim

Daim Ntawv Qhia Nrog DOM scraping thiab Google Tag Manager. Nws yog qhov sib txawv hauv Google Tag Manager uas tso cai rau koj txhuam cov ntsiab lus ncaj qha los ntawm Document Object Model (hauv lwm lo lus: nrog nws cov kev pab koj tuaj yeem hloov cov ntawv hauv koj lub vev xaib mus rau qhov sib txawv thiab dhau mus rau koj cov cuab yeej lag luam (xws li Google Analytics)).

Ntxiv mus, GTM Dom yog dab tsi?

Kev tshwm sim: gtm ua . dom . Qhov kev tshwm sim no tau raug thawb mus rau hauv dataLayer sai li sai tau DOM (Cov Ntaub Ntawv Hom Qauv) yog thauj khoom rau nplooj ntawv muab. Yog hais tias koj xav kom koj cov cim npe tua tom qab lub DOM tau thauj khoom, piv txwv li yog tias koj paub tias koj muaj cov kev hloov pauv tseem ceeb uas tau ua tiav hauv qab ntawm koj nplooj ntawv template, siv {{event}} sib npaug gtm ua.

Dab tsi yog qhov sib txawv hauv Google Tag Manager? Hloov pauv : A sib txawv yog ib lub npe placeholder rau tus nqi uas yuav hloov, xws li cov khoom npe, tus nqi tus nqi, lossis hnub tim. Cov ntaub ntawv txheej: Tag manager siv cov ntaub ntawv txheej rau ib ntus tuav cov txiaj ntsig hauv tus neeg siv khoom kom lawv tuaj yeem siv los ntawm tag , triggers, thiab sib txawv.

Hauv qhov no, DOM hloov pauv yog dab tsi?

DOM Element sib txawv cia koj nkag mus rau txhua lub ntsiab lus uas muaj nyob rau ntawm nplooj ntawv. Txoj kev ntawd koj tuaj yeem tau txais nws cov ntawv lossis tus nqi ntawm qee yam cwj pwm.

Dom npaj tau dab tsi hauv Google Tag Manager?

DOM Npaj - nws txhais tau tias cov ntsiab lus HTML tau loaded , parsed thiab nws yog npaj pib rendering nplooj ntawv. Lub browser tsuas paub txoj hauv kev rau tag nrho cov ntaub ntawv css, dluab, javascripts, thiab lwm yam. Lub sijhawm no, koj tsis pom cov ntsiab lus uas koj tuaj yeem cuam tshuam nrog. Lub browser pib rub tawm tag nrho cov khoom muaj nqis hais.

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