Why does the bootstrap pop-up box have no content?

Popover is similar to Tooltip and provides an expanded view. To activate the popover, users simply hover over the element. The content of the popup box can be filled entirely using the Bootstrap Data API. This method relies on tooltips.

Popover plug-ins generate content and markup according to requirements. By default, popovers are placed on their triggering elements. later. You can add a popover in the following two ways: (Recommended learning: Bootstrap video tutorial)

Through the data attribute: If you need to add a popover (popover), just add data-toggle="popover" to an anchor/button tag. The title of the anchor is the text of the popover. By default, the plugin places the popover at the top.

<a>
    请悬停在我的上面
</a>

Via JavaScript: Enable popover via JavaScript:

$('#identifier').popover(options)

The Popover plugin is not like the drop-down menus and other plugins discussed previously. Pure CSS plugin. To use the plugin, you must activate it using jquery (read javascript).

Use the following script to enable all popovers on the page:

$(function () { $("[data-toggle='popover']").popover(); });

The example below demonstrates how to pass data The property uses the usage of the popover plug-in.

nbsp;html>


    <meta> 
    <title>Bootstrap 实例 - 弹出框（Popover）插件</title>
    <link>
    <script></script>
    <script></script>



<div>
    <button>
        左侧的 Popover
    </button>
    <button>
        顶部的 Popover
    </button>
    <button>
        底部的 Popover
    </button>
    <button>
        右侧的 Popover
    </button>
</div>
<script>
$(function () { 
    $("[data-toggle=&#39;popover&#39;]").popover();
});
</script>

For more technical articles related to Bootstrap, please visit the Bootstrap Tutorial column to learn!

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