Abafite umwanya
Koresha ibibanza byapakurura ibice byawe cyangwa paji kugirango werekane ikintu gishobora kuba kirimo gupakira.
Ibyerekeye
Abafite umwanya barashobora gukoreshwa mugutezimbere uburambe bwa porogaramu yawe. Zubatswe gusa na HTML na CSS, bivuze ko udakeneye JavaScript kugirango ubireme. Uzakenera, ariko, ukeneye JavaScript yihariye kugirango uhindure neza. Isura yabo, ibara, nubunini birashobora guhindurwa byoroshye hamwe nibyiciro byingirakamaro.
Urugero
Murugero rukurikira, dufata ibice bisanzwe byikarita hanyuma tukayirema hamwe nabafite umwanya basabwa gukora "ikarita yo gupakira". Ingano n'ibipimo ni bimwe hagati yabyo.
Umutwe w'amakarita
Bimwe mubyihuta byanditse byubaka kumutwe wikarita no gukora igice kinini cyibirimo.
Genda ahantu runaka<div class="card">
<img src="..." class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
<div class="card" aria-hidden="true">
<img src="..." class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title placeholder-glow">
<span class="placeholder col-6"></span>
</h5>
<p class="card-text placeholder-glow">
<span class="placeholder col-7"></span>
<span class="placeholder col-4"></span>
<span class="placeholder col-4"></span>
<span class="placeholder col-6"></span>
<span class="placeholder col-8"></span>
</p>
<a href="#" tabindex="-1" class="btn btn-primary disabled placeholder col-6"></a>
</div>
</div>
Uburyo ikora
Kurema abafite umwanya hamwe nurwego hamwe .placeholder
na gride inkingi (urugero, .col-6
) kugirango ushireho width
. Barashobora gusimbuza inyandiko imbere yikintu cyangwa bakongerwaho nkicyiciro cyo guhindura ibintu biriho.
Dushiraho styling yinyongera kuri .btn
s ::before
kugirango tumenye ko height
yubahwa. Urashobora kwagura ubu buryo kubindi bihe bikenewe, cyangwa ukongeramo ikintu
kugirango ugaragaze uburebure mugihe inyandiko nyayo yatanzwe mumwanya wabyo.
<p aria-hidden="true">
<span class="placeholder col-6"></span>
</p>
<a href="#" tabindex="-1" class="btn btn-primary disabled placeholder col-4" aria-hidden="true"></a>
aria-hidden="true"
byerekana gusa ko ikintu kigomba guhishwa abasoma ecran. Imyitwarire
yipakurura nyirubwite biterwa nuburyo abanditsi bazakoresha muburyo bwimiterere yabantu, uburyo bateganya kuvugurura ibintu, nibindi. Kode zimwe za JavaScript zishobora gukenerwa kugirango
uhindure leta yumwanya kandi umenyeshe abakoresha AT ibyagezweho.
Ubugari
Urashobora guhindura width
unyuze kuri grid inkingi ibyiciro, ubugari bwingirakamaro, cyangwa inline.
<span class="placeholder col-6"></span>
<span class="placeholder w-75"></span>
<span class="placeholder" style="width: 25%;"></span>
Ibara
Mburabuzi, placeholder
ikoreshwa currentColor
. Ibi birashobora kurengerwa nibara ryihariye cyangwa urwego rwingirakamaro.
<span class="placeholder col-12"></span>
<span class="placeholder col-12 bg-primary"></span>
<span class="placeholder col-12 bg-secondary"></span>
<span class="placeholder col-12 bg-success"></span>
<span class="placeholder col-12 bg-danger"></span>
<span class="placeholder col-12 bg-warning"></span>
<span class="placeholder col-12 bg-info"></span>
<span class="placeholder col-12 bg-light"></span>
<span class="placeholder col-12 bg-dark"></span>
Ingano
Ingano ya .placeholder
s ishingiye kumyandikire yimyandikire yababyeyi. Ongera uhindure ubunini buhindura: .placeholder-lg
,, .placeholder-sm
cyangwa .placeholder-xs
.
<span class="placeholder col-12 placeholder-lg"></span>
<span class="placeholder col-12"></span>
<span class="placeholder col-12 placeholder-sm"></span>
<span class="placeholder col-12 placeholder-xs"></span>
Animation
Bafite ibibanza bifatika .placeholder-glow
cyangwa .placeholder-wave
kugirango barusheho kwerekana imyumvire yikintu kiremerewe .
<p class="placeholder-glow">
<span class="placeholder col-12"></span>
</p>
<p class="placeholder-wave">
<span class="placeholder col-12"></span>
</p>
Sass
Ibihinduka
$placeholder-opacity-max: .5;
$placeholder-opacity-min: .2;