Video: Yuav ua li cas koj ua ib tug div stick rau sab laug?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
2 Teb. Teeb tus div kom muaj "txoj hauj lwm: tsau" style thiab ces teeb " sab laug :0px;top:0px". div cog mus rau saum sab laug ntawm browser es tsis txhob ntawm nws cov txheeb ze txoj hauj lwm nyob rau hauv lub HTML ntws.
Ib yam li ntawd, kuv yuav ua li cas thiaj ua tau ib tug div lo rau hauv qab ntawm lwm div?
Yog koj xav muab tso rau hauv hauv qab tab sis sab hauv niam txiv div ces siv hauv qab :0 es ua. Koj tuaj yeem siv sab laug: 0 los kho nws ntawm sab laug hauv qab los yog txoj cai: 0 los kho nws ntawm sab xis. Txhais qhov dav thiab qhov siab ntawm niam txiv div nrog nws txoj hauj lwm ua kwv tij.
Ib yam li ntawd, kuv yuav ua li cas kom kuv txoj hauj lwm nplaum? Pom cov nyhuv ntawm nplaum qhov chaw , xaiv cov txoj hauj lwm : nplaum xaiv thiab scroll lub thawv no. Lub caij yuav scroll nrog rau nws lub thawv, kom txog rau thaum nws nyob rau sab saum toj ntawm lub thawv (los yog ncav cuag qhov offset teev nyob rau hauv sab saum toj), thiab ces yuav tsum tsis scrolling, yog li nws nyob twj ywm pom.
Ib yam li ntawd, koj yuav ua li cas rau Div nplaum?
Rau ua ib yam nplaum , ua : ua_sticky('# nplaum -elem-id'); Thaum lub caij ua nplaum , cov cai tswj txoj haujlwm ntawm cov ntsiab lus tseem ceeb kom nws tsis txhob dhia mus rau hauv qhov sib txawv sab laug los ntawm qhov nplaum keeb. Nws kuj rov qab cov nplaum lub hauv paus rau nws qhov tsis yog- nplaum txoj hauj lwm thaum scroll rov qab rau saum nws.
Txoj hauj lwm nplaum yog dab tsi?
txoj hauj lwm : nplaum yog ib txoj kev tshiab rau txoj hauj lwm cov ntsiab lus thiab yog conceptually zoo ib yam li txoj hauj lwm : tsau. Qhov txawv yog hais tias lub ntsiab nrog txoj hauj lwm : nplaum coj zoo li txoj hauj lwm : txheeb ze nyob rau hauv nws niam nws txiv, kom txog rau thaum ib tug muab offset pib tau ntsib nyob rau hauv lub viewport.
Pom zoo:
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