What prevents Popper from functioning on its own when I incorporate bootstrap.bundle.js?

Upon my understanding, Bootstrap 4 relies on Popper for its functionalities. When utilizing bootstrap.bundle.js, Bootstrap can smoothly access Popper for various operations. Nevertheless, when attempting to use Popper independently, an error message is encountered stating "Popper is not defined". What could be the reason behind this?

An immediate solution would involve including popper.js before bootstrap.js (when not bundling Popper with Bootstrap). By integrating popper.js into my webpage, the functionality of Popper operates as intended. Ideally, it would be more convenient to include a single file that enables both libraries to function separately and in conjunction with each other.

javascriptbootstrap-4popper.js

Answer №1

Popper.js is typically recommended for Bootstrap 4, but it's not essential if you don't need certain features like tooltips, popovers, dropdowns, or modals. If you opt to use bootstrap.bundle.js or bootstrap.bundle.min.js instead of bootstrap.js or bootstrap.min.js, Popper.js is not mandatory.

In response to your question:
The bootstrap.bundle.* libraries come with integrated Popper functionality, eliminating the need for a separate Popper installation

Tip: There doesn't seem to be a compelling reason to use Popper independently when it already comes bundled with Bootstrap. However, if you prefer not to use Bootstrap at all, you can implement custom functions to utilize Popper.js as if it were standalone ;)

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