CSS Short Course
A cascade ne abin da ke sa CSS style zanen gado haka da amfani. A takaice dai, cascade ta bayyana umarnin ƙaddarar yadda za a yi amfani da tsarin rikice-rikice. A takaice dai, idan kuna da nau'i biyu:
p {launi: ja; }
p {launi: blue; }
Cikin cascade ya ƙayyade abin da launi ya kamata ya kasance, kodayake takardar launi ya furta cewa ya kamata su zama ja da kuma shuɗi. Ƙarshe kawai launi ɗaya za a iya amfani da shi zuwa sakin layi, don haka dole ne a yi tsari.
Kuma wannan tsari ana amfani da shi wanda wanda aka zaɓa (wanda yake cikin p a cikin misali na sama) yana da matsayi mafi girma kuma wane umurni suna bayyana a cikin takardun.
Jerin da aka biyo baya shi ne sauƙaƙe na yadda mai bincikenka ya yanke shawarar rigaya don salon:
- Duba a cikin takardar launi don mai zaɓin daidai da kashi. Idan babu tsarin da aka tsara, to, yi amfani da dokoki na tsoho a cikin mai bincike
- Duba a cikin takardar launi don zaɓaɓɓun alama! Yana da mahimmanci kuma yana amfani da su zuwa abubuwan da suka dace.
- Duk styles a cikin takardar launi za su shafe sababbin hanyoyin bincike (sai dai a cikin yanayin zanen mai amfani).
- Ƙarin takamaiman zaɓin zane, wanda ya fi dacewa da daidaiton da zai samu. Alal misali, div> p.class ya fi dacewa fiye da p.class wanda ya fi dacewa da p.
- A ƙarshe, idan ka'idoji guda biyu sun yi amfani da wannan nau'ikan kuma suna da wannan maɓallin zaɓi, za a yi amfani da wanda aka ɗora a karshe . A wasu kalmomi, an karanta sashin layi daga sama zuwa kasa, kuma ana amfani da sifofi akan juna.
Bisa ga waɗannan dokoki, a cikin misali na sama, sakin layi za a rubuta a cikin blue, saboda p {launi: blue; } ya zo na karshe a cikin takardar launi.
Wannan cikakkiyar bayani ne game da cascade. Idan kuna sha'awar koyo game da yadda matsalar ta ke aiki, ya kamata ku karanta Menene "Cascade" yake nufi a Cascading Style Sheets? .