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我是ARIA新角色。如果我有工具提示类型的功能,即如果有人点击问号按钮,会显示更多文本详细说明如何填写表单字段,我应该使用aria-expanded属性,aria-hidden属性还是两者?ARIA - 您是否需要使用ARIA-EXPANDED和ARIA-HIDDEN?
<div class="login-form-field tt-highlight">
<div class="error-message error-style">
<p>Sorry you have not entered anything in the field above.</p>
</div>
<div class="col-xs-10 col-sm-10 col-md-10">
<label for="inputTxtCustomerPostcode" class="login" />Postcode:</label>
<input id="inputTxtCustomerPostcode" type="text" />
</div>
<div class="col-xs-2 col-sm-2 col-md-2">
<a title="Please enter a valid case reference tooltip" class="login-tooltip" data-toggle="collapse" data-parent="#accordion" href="#collapseTxtCustomerPostcode" role="button" aria-pressed="false"></a>
</div>
<div id="collapseTxtCustomerPostcode" class="panel-collapse collapse" role="tree tooltip">
<div class="panel-body" role="treeitem" aria-expanded="false" aria-hidden="true">
<p>some text goes here for the tooltip</p>
</div>
</div>
</div>