--- title: counter-reset slug: Web/CSS/counter-reset translation_of: Web/CSS/counter-reset --- <div>{{CSSRef}}</div> <p id="Summary"><br> <code>counter-reset</code> 属性用于将 <a href="/en-US/docs/CSS_Counters">CSS计数器</a> 重置为制定值</p> <p>{{EmbedInteractiveExample("pages/css/counter-reset.html")}}</p> <div class="blockIndicator note"> <p>注意:计数器的值能够通过 CSS 属性 {{cssxref("counter-increment")}} 控制递增或递减。</p> </div> <h2 id="Syntax" name="Syntax">语法</h2> <pre class="brush:css">/* Set counter-name to 0 */ counter-reset: counter-name; /* Set counter-name to -1 */ counter-reset: counter-name -1; /* Set counter1 to 1, and counter2 to 4 */ counter-reset: counter1 1 counter2 4; /* Cancel any reset that could have been set in less specific rules */ counter-reset: none; /* Global values */ counter-reset: inherit; counter-reset: initial; counter-reset: unset; </pre> <p><code>counter-reset</code> 属性可以指定为以下之一:</p> <ul> <li><code><自定义 ID> [<数值>]</code>。您可以指定任意数量的计数器进行重置,每个名称或“名称-数字”对之间用空格分隔。</li> <li>特殊值 <code>none</code>。</li> </ul> <h3 id="Values" name="Values">可选值</h3> <dl> <dt>{{cssxref("custom-ident", "<custom-ident>")}}</dt> <dd>要递增的计数器的名称。</dd> </dl> <div class="blockIndicator note"> <p>该名称由不区分大小写的字母 a 到 z,数字 0 到 9,下划线(_)和 / 或短划线( - )的组合组成,并且第一个非破折号字符必须是一个字母(即,在它的开头没有数字,即使前面有破折号)。此外,在标识符的开头禁止使用两个破折号。在任何案例组合中都不能是 none,unset,initial 或 inherit。</p> </div> <dl> <dt>{{cssxref("<integer>")}}</dt> <dd>每次出现元素时将计数器重置为的值。如果不指定,则默认为 <code>0</code>。</dd> <dt><code>none</code></dt> <dd>该关键字表示不执行计数器重置。它可用于重置隐藏在不太具体的规则中定义的计数器。你可以指定要根据需要重置的计数器,每个计数器用空格分隔。</dd> </dl> <h3 id="语法形式">语法形式</h3> <pre>{{csssyntax}}</pre> <h2 id="Examples" name="Examples">示例</h2> <pre class="brush:css">h1 { counter-reset: chapter section 1 page; /* Sets the chapter and page counters to 0 and the section counter to 1. */ } </pre> <h2 id="Specifications" name="Specifications">规范</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('CSS3 Lists', '#counter-reset', 'counter-reset')}}</td> <td>{{Spec2('CSS3 Lists')}}</td> <td>No change.</td> </tr> <tr> <td>{{SpecName('CSS2.1', 'generate.html#propdef-counter-reset', 'counter-reset')}}</td> <td>{{Spec2('CSS2.1')}}</td> <td>Initial definition.</td> </tr> </tbody> </table> <p>{{cssinfo}}</p> <h2 id="Browser_compatibility" name="Browser_compatibility">浏览器兼容性</h2> <div>{{Compat("css.properties.counter-reset")}}</div> <div id="compat-mobile"></div> <h2 id="See_also" name="See_also">参考</h2> <ul> <li><a href="/en-US/docs/CSS/Counters" title="CSS/Counters">CSS Counters</a>, {{Cssxref("counter-increment")}}</li> <li>{{cssxref("counter-increment")}}</li> <li>{{cssxref("counter-set")}}</li> <li>{{cssxref("@counter-style")}}</li> <li>{{cssxref("counter")}} and {{cssxref("counters")}} functions</li> <li>{{cssxref("content")}} property</li> </ul>