Описание тега bootstrap-modal
Bootstrap provides a JavaScript-powered dialog element that can be used to replace native dialogs (to a degree); unlike native dialogs, Bootstrap modals cannot block the flow of execution.
Bootstrap provides a JavaScript-powered dialog element that can be used to replace native dialogs (to a degree); unlike native dialogs, Bootstrap modals cannot block the flow of execution.
Dialogs can be manually triggered (using Bootstrap's .modal() function), or via data-attributes. Modals must be triggered on correctly-structured HTML templates, as shown in the linked documentation.