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| author | MDN <actions@users.noreply.github.com> | 2021-11-08 00:49:15 +0000 |
|---|---|---|
| committer | MDN <actions@users.noreply.github.com> | 2021-11-08 00:49:15 +0000 |
| commit | 497f01fc724eb5849dc8d304c0355e30ce68a68d (patch) | |
| tree | 1bf1750790a35bdfedbeb329f06747f260ee46dd /files/pt-br/web/css/css_counter_styles/using_css_counters | |
| parent | b8411e69dbd90d499f9fe2f485c22511cf8b6505 (diff) | |
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[CRON] sync translated content
Diffstat (limited to 'files/pt-br/web/css/css_counter_styles/using_css_counters')
| -rw-r--r-- | files/pt-br/web/css/css_counter_styles/using_css_counters/index.html | 116 |
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diff --git a/files/pt-br/web/css/css_counter_styles/using_css_counters/index.html b/files/pt-br/web/css/css_counter_styles/using_css_counters/index.html new file mode 100644 index 0000000000..19ec6b7d79 --- /dev/null +++ b/files/pt-br/web/css/css_counter_styles/using_css_counters/index.html @@ -0,0 +1,116 @@ +--- +title: Using CSS counters +slug: Web/CSS/CSS_Counter_Styles/Using_CSS_counters +translation_of: Web/CSS/CSS_Lists_and_Counters/Using_CSS_counters +original_slug: Web/CSS/CSS_Lists_and_Counters/Using_CSS_counters +--- +<p>{{CSSRef}}</p> + +<p><span class="seoSummary">Contadores CSS são em essência, as variáveis mantidas pelo CSS cujos valores podem ser incrementado por regras do CSS para controlar quantas vezes eles são usados.Isso permite ajustar a aparência do conteúdo com base na sua colocação no documento.</span> contadores CSS são uma implementação de <a class="external" href="http://www.w3.org/TR/CSS21/generate.html#counters">Contadores automáticos e numeração </a>em CSS 2.1.</p> + +<p>O valor de um contador é manipulado através da utilização de {{cssxref("counter-reset")}}. {{cssxref("counter-increment")}} pode ser exibido em uma página usando o <code>counter()</code> ou <code>counters()</code> função da propriedade de <code><a href="/en-US/docs/CSS/content" title="CSS/content">conteúdo</a></code>.</p> + +<h2 id="Using_counters" name="Using_counters">Usando contadores</h2> + +<p>Para usar um contador, tem quer definir um valor para ele (ele é 0 default). Para adicionar o valor do contador em um elemento, use a função <code>counter()</code>. O CSS abaixo adiciona "Section [o valor do contador]:" no início de cada elemento h3.</p> + +<pre class="brush: css notranslate">body { + counter-reset: section; /* Set the section counter to 0 */ +} +h3::before { + counter-increment: section; /* Increment the section counter*/ + content: "Section" counter(section) ": "; /* Display the counter */ +} +</pre> + +<p>Exemplo:</p> + +<pre class="brush: html notranslate"><h3>Introduction</h3> +<h3>Body</h3> +<h3>Conclusion</h3></pre> + +<p>{{ EmbedLiveSample('Using_counters', 300,200) }}</p> + +<h2 id="Nesting_counters" name="Nesting_counters">Nesting counters</h2> + +<p>Um contador CSS pode ser especialmente útil para fazer listas descritas porque uma nova instância de um contador CSS é criado automaticamente em elementos filho . Usando a função <code>counters()</code>, uma corda pode ser inserido entre diferentes níveis de contadores aninhados. Por exemplo, esta CSS :</p> + +<pre class="brush: css notranslate">ol { + counter-reset: section; /* Creates a new instance of the + section counter with each ol + element */ + list-style-type: none; +} +li::before { + counter-increment: section; /* Increments only this instance + of the section counter */ + content: counters(section,".") " "; /* Adds the value of all instances + of the section counter separated + by a ".". */ + /* if you need to support < IE8 then + make sure there is no space after + the ',' */ +} +</pre> + +<p>Combinado com o seguinte HTML:</p> + +<pre class="brush: html notranslate"><ol> + <li>item</li> <!-- 1 --> + <li>item <!-- 2 --> + <ol> + <li>item</li> <!-- 2.1 --> + <li>item</li> <!-- 2.2 --> + <li>item <!-- 2.3 --> + <ol> + <li>item</li> <!-- 2.3.1 --> + <li>item</li> <!-- 2.3.2 --> + </ol> + <ol> + <li>item</li> <!-- 2.3.1 --> + <li>item</li> <!-- 2.3.2 --> + <li>item</li> <!-- 2.3.3 --> + </ol> + </li> + <li>item</li> <!-- 2.4 --> + </ol> + </li> + <li>item</li> <!-- 3 --> + <li>item</li> <!-- 4 --> +</ol> +<ol> + <li>item</li> <!-- 1 --> + <li>item</li> <!-- 2 --> +</ol></pre> + +<p>Produz este resultado:</p> + +<p>{{ EmbedLiveSample('Nesting_counters',400,'100%') }}</p> + +<h2 id="Specifications" name="Specifications">Especificações</h2> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName('CSS2.1', 'generate.html#generate.html#counters', 'counter-reset')}}</td> + <td>{{Spec2('CSS2.1')}}</td> + <td></td> + </tr> + </tbody> +</table> + +<h2 id="See_also" name="See_also">Veja mais</h2> + +<ul> + <li><a href="/en-US/docs/CSS/counter-reset" title="CSS/counter-reset">counter-reset</a></li> + <li><a href="/en-US/docs/CSS/counter-increment" title="CSS/counter-increment">counter-increment</a></li> +</ul> + +<p><em>There is an additional example available at <a class="external" href="http://www.mezzoblue.com/archives/2006/11/01/counter_intu/" rel="freelink">http://www.mezzoblue.com/archives/20.../counter_intu/</a>. This blog entry was posted on November 01, 2006, but appears to be accurate.</em></p> |
