focus trigger to dismiss popovers on the user’s next click of a different element than the toggle element. For proper cross-browser and cross-platform behavior, you must use the <a> tag, not the <button> tag, and you also must include a tabindex attribute. popovers by adding the data-toggle="popover" attribute. You can add your own title and content by adding the data-title and data-content within the popover element. disabled attribute aren’t interactive, meaning users cannot hover or click them to trigger a popover (or tooltip). As a workaround, you’ll want to trigger the popover from a wrapper <div> or <span> and override the pointer-events on the disabled element. data-trigger="hover" so that the popover appears as immediate visual feedback to your users as they may not expect to click on a disabled element. 
