比如用div做button,那么设置div 的 role=“button”,辅助工具就可以认出这实际上是个button比如, <div role="checkbox" aria-checked="checked"></div> 辅助工具就会知道,这个div实际上是个checkbox的角色,为选中状态。 1、下拉菜单(单选): <form role="form"> <divclass="form-group"> <selectclass="form...
</option> <option value="1">One</option> <option value="2">Two</option> <option value="3">Three</option> </select> </div> <div class="col-auto my-1"> <div class="custom-control custom-checkbox mr-sm-2"> <input type="checkbox" class="custom-control-input" id="customControl...
label> <select id="disabledSelect" class="form-control"> <option>Disabled select</option> </select> </div> <div class="checkbox"> <label> <input type="checkbox"> Can't check this </label> </div> <button type="submit" class="btn btn-primary">Submit</button> </fieldset> </form...
label> <select id="disabledSelect" class="form-control"> <option>Disabled select</option> </select> </div> <div class="checkbox"> <label> <input type="checkbox"> Can't check this </label> </div> <button type="submit" class="btn btn-primary">Submit</button> </fieldset> </form...
<label class="checkbox-inline"> <input type="checkbox" id="inlineCheckbox3" value="option3"> 3 </label> 同理Radio是一样的,只需要添加一下样式即可。 Select 复制代码 代码如下: <select class="form-control"> <option>1</option> <option>2</option> ...
<label> 设定被为 display: inline-block 以便让 margin 应用。 透过Normalize于<input>,<select>,<textarea>s,和<button> ,重置删除了他们的 margin 并同样设定line-height: inherit。 将<textarea> 修改为仅可调整垂直尺寸,因为调整水平宽度通常“破坏”了页面配置。下面...
.selector-for-some-widget{box-sizing:content-box;} With the above snippet, nested elements—including generated content via::beforeand::after—will all inherit the specifiedbox-sizingfor that.selector-for-some-widget. Learn more aboutbox model and sizing at CSS Tricks. ...
To add accordion-like group management to a collapsible control, add the data attributedata-parent="#selector". Refer to the demo to see this in action. 通过JavaScript 手动调用: $(".collapse").collapse() 选项 项的传递可通过data属性或JavaScript。对于data属性,需要附加选项名称data-,例如data-par...
--复选框,--><divclass="checkbox"><label><inputtype="checkbox">Check me out</label></div><!--提交按钮--><buttontype="submit"class="btn btn-default">提交</button><!--注意事项:不要将表单组和输入框组混合使用不要将表单组直接和输入框组混合使用。建议将输入框组嵌套到表单组中使用。-->...
.selector-for-some-widget{box-sizing:content-box;} With the above snippet, nested elements—including generated content via::beforeand::after—will all inherit the specifiedbox-sizingfor that.selector-for-some-widget. Learn more aboutbox model and sizing at CSS Tricks. ...