Customizing plugins

While there are many plugins to customize, we will choose two that we have already come across in the previous chapters:

• Bootstrap's jQuery alert plugin
• Bootstrap's jQuery carousel plugin

Customizing Bootstrap's jQuery alert plugin

The alert plugin, as we have seen, is exceedingly simple. The alert is rendered on the page, displaying a message, and the only functionality it has is the ability to close and disappear when a user clicks on a certain element.

To demonstrate how to customize or extend a plugin, in this case, alert we will keep it very simple. We will add an extra bit of functionality—when a user clicks on a certain element, the alert will minimize. Similarly, we also...