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Use the .align-items-stretch class to stretch single rows of items in Bootstrap 4.To stretch single rows of items −
The hide.bs.tab fires when the tab is about to be hidden in Bootstrap.Fire the hide.bs.tab and generate the alert before the modal is hidden −$('.nav-tabs a').on('hide.bs.tab', function(e){ alert('Previous tab will hide now!'); });The first tab is the active tab and fade in property is also set − Home This is demo text! You can try to run the following code to implement the hide.bs.tab event −ExampleLive Demo Bootstrap Example ... Read More
Use the popver(“detroy”) to destroy the popover.It hides the popover −popover('destroy');The method is used to destroy the popover −$(".btn-default").click(function(){ $("[data-toggle='popover']").popover('destroy'); });You can try to run the following code to implement the popver(“destroy”) method −ExampleLive Demo Bootstrap Example Examination Here's the result: Result Refresh $(document).ready(function(){ $(".btn-default").click(function(){ $("[data-toggle='popover']").popover('toggle'); }); $(".btn-danger").click(function(){ $("[data-toggle='popover']").popover('destroy'); }); });
Use the .flex-grow-0|1 class in Bootstrap to allow a singly lex item to take up rest of the space in the flex.For example, the following takes rest of the space in the right −The above is set by adding flex-grow class for the last flex-item − P Q R Let us see the following example to implement flex-grow-0|1 class −ExampleLive Demo Bootstrap Example P Q R P Q R
To set flex items to equal width on different screens, use the the flex-*-fill class.For small width screen, use flex-sm-fill − A For large width screen, use flex-lg-fill − A The following is an example to give euqla width to flex items on different screens −ExampleLive Demo Bootstrap Example Flex (Small Width) A B C Flex (Medium Width) A B C Flex (Large Width) A B C
To set a dark border to an element in Bootstrap, use the border-dark class.To work with it is an easy task. Just use the class name as the element class − Dark Border Above, the "test" class can also be seen. This is useful to set style for the element − .test { width: 150px; height: 150px; margin: 35px; } You can try to run the following code to implement the border-dark class in Bootstrap 4 −ExampleLive Demo Bootstrap Example .test { width: 150px; height: 150px; margin: 35px; } Rectangle with dark border: Dark Border
Use the tooltip(“destroy”) method in Bootstrap to detroy the tooltip −$(".btn-default").click(function(){ $("[data-toggle='tooltip']").tooltip('destroy'); });The following example has two buttons, one for “Show Tooltip” and another for “Destroy Tooltip” −Show Tooltip$(".btn-primary").click(function(){ $("[data-toggle='tooltip']").tooltip('show'); });Destroy Tooltip$(".btn-default").click(function(){ $("[data-toggle='tooltip']").tooltip('destroy'); });Here is the complete code to implement the tooltip(“destroy”) method −ExampleLive Demo Bootstrap Example Demo Tooltip will be visible here Show Tooltip Destroy Tooltip $(document).ready(function(){ $(".btn-primary").click(function(){ $("[data-toggle='tooltip']").tooltip('show'); }); $(".btn-default").click(function(){ $("[data-toggle='tooltip']").tooltip('destroy'); }); });
Use the .align-self-start class in Bootstrap 4 to align a flex item from the start.To align flex item from the start, you need to set the class in that particular flex item − Item 3 The above is set inside the flex class as shown below − Item 1 Item 2 Item 3 Item 4 You can try to run the following code to implement the align-self-start class −ExampleLive Demo Bootstrap Example Align Specific Flex Item from the start Item 1 Item 2 Item 3 Item 4
The show.bs.tooltip event in Bootstrap fires when the tooltip is about to be displayed −$("[data-toggle='tooltip']").on('show.bs.tooltip', function(){ alert('Tooltip will be visible now.'); });The "data-toggle" attribute is set before as an tag attribute, since the Bootstrap generates from there itself − Timings You can try to run the following code to implement the show.bs.tooltip event −ExampleLive Demo Bootstrap Example Event Here tooltip will be displayed using the "Show" buttpn ... Read More
Use the .align-content-center class to align gathered items in the center in Bootstrap 4.Set the align-content-center class as shown below −After that, add the flex items − One Two Three Let us see an example to implement the align-content-center class −ExampleLive Demo Bootstrap Example Example One Two Three Four Five Six Seven Eight Nine Ten Eleven Twelve Thirteen Fourteen