Script to identify compatibility with Bootstrap 4 in Javascript

As I work on developing a website utilizing Bootstrap 4 for its UI design, I have encountered the issue that Bootstrap 4 does not support IE 8 and certain older versions of browsers.

In order to address this, I am looking to implement an error page that will be displayed when a user accesses the site using an unsupported browser.

I am in need of JavaScript code that can accurately detect if the user's browser supports Bootstrap 4.

Is there a way to identify Bootstrap 4 support through JavaScript without having to manually check each supported browser and version? Essentially, I require JavaScript code that specifically identifies Bootstrap 4 support, rather than general browser detection.

This is important because relying on checks like the following may prove ineffective for users with browsers outside of IE, Edge, Safari, Chrome, and Firefox:

if(browser == IE && BrowserVer > 8)
{
  supported = true;
}
else if......

If you have any insight or solutions to share, please assist me with this matter. Thank you.

javascriptbootstrap-4browser-support

Answer №1

What is the reason for pursuing this?

According to information from the official Bootstrap website,

Bootstrap ensures compatibility with the most recent, stable versions of all major web browsers and platforms. For Windows users, we guarantee support for Internet Explorer 10-11 / Microsoft Edge.

They have stated that they provide support for all stable major releases, including ESR versions. It seems like they are implying that current and future iterations of popular browsers will be able to properly render Bootstrap 4.

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