解决方法
HTML5 ARIA属性是你要找的。它可以在您的代码中使用，即使没有引导。
Accessible Rich Internet Applications (ARIA) defines ways to make Web
content and Web applications (especially those developed with Ajax and
JavaScript) more accessible to people with disabilities.
为了你的问题，这里是你的属性称为ARIA attribute states and model
aria-labelledby: Identifies the element (or elements) that labels the current element.
aria-hidden (state): Indicates that the element and all of its descendants are not visible or perceivable to any user as implemented by the author.