The initializeBlockUI function initializes the BlockUI component for the element with the attribute data-blockui-element="block-2".

It displays a loading overlay with a blue spinner, indicated by <span class="spinner-border text-primary"></span>, along with the message "Loading...". This overlay effectively blocks user interaction, signaling that a process is currently in progress.

The initializeBlockUI function initializes the BlockUI component for the element with the attribute data-blockui-element="block-3".

It displays a loading overlay featuring a blue spinner, represented by <span class="spinner-border text-primary"></span>, and applies a custom overlay class for styling, specified as custom-overlay fw-semibold. This overlay blocks user interaction, effectively signaling that a process is currently in progress.

The initializeBlockUI function initializes the BlockUI component for the element with the attribute data-blockui-element="block-4".

It displays a loading overlay featuring a primary-colored button loader, represented by <span class="btn-loader text-primary"><i class="ri-loader-2-fill fs-20"></i></span>. This overlay blocks user interaction, effectively indicating that a process is currently in progress.

The initializeBlockUI function initializes the BlockUI component for the element with the attribute data-blockui-element="block-5".

It displays a loading overlay featuring a primary-colored button loader, represented by <span class="btn-loader text-primary"><i class="ri-refresh-line fs-20"></i></span>. This overlay blocks user interaction, effectively signaling that a refreshing process is currently in progress.