.3.5 <a name="counter">计数器</a></h3>

<p><span class="index-def" title="&lt;counter&gt;, definition of"><a name="value-def-counter">计数器</a></span>用大小写敏感的标识符来表示（见<a href="generate.html#propdef-counter-increment" class="noxref"><span class="propinst-counter-increment">'counter-increment'</span></a>和<a href="generate.html#propdef-counter-reset" class="noxref"><span class="propinst-counter-reset">'counter-reset'</span></a>属性）。要引用计数器值的话，可�