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how to check the bootstrap version

Over time, Bootstrap has released several versions with new features, bug fixes, and improvements. It’s crucial to know which version of Bootstrap your website or project is using to ensure compatibility, security, and optimization. This guide will show you how to easily check the Bootstrap version being used on a website or in a project.…

Over time, Bootstrap has released several versions with new features, bug fixes, and improvements. It’s crucial to know which version of Bootstrap your website or project is using to ensure compatibility, security, and optimization. This guide will show you how to easily check the Bootstrap version being used on a website or in a project. By following these simple steps, you can gain valuable insights into your Bootstrap setup and make informed decisions about upgrades or changes.

Getting Started


The first step in checking the Bootstrap version of your project is to ensure you have the necessary prerequisites. Make sure you have access to your project’s source code and that you are familiar with basic HTML, CSS, and JavaScript concepts. This will help you navigate through the project files and make any necessary changes.

Accessing Your Project Files

To successfully determine the Bootstrap version used in your project, you need to access your project files. This can be done by navigating to the root directory of your project on your local machine or through a version control system like Git. Once you have located the project files, you can proceed with identifying the Bootstrap version.

Prerequisites such as having access to the project files and basic knowledge of web development languages are crucial for efficiently checking the Bootstrap version. Failure to meet these prerequisites may result in inaccurate version identification. Ensure you have the necessary access and knowledge before proceeding with the steps.

How-To Identify Your Bootstrap Version

Checking Bootstrap Version via HTML

While HTML alone cannot directly show you the Bootstrap version being used, you can inspect the source code of your webpage. Search for references to Bootstrap CSS or JS files within your HTML tags to determine the version being utilized.

Checking Bootstrap Version via CSS

Little do many know, you can identify the Bootstrap version by examining the CSS files in your project. The version number is typically included in the file names or comments within the CSS files.

Version numbers are often embedded in class names or comments within the CSS files. Look for keywords like ‘bootstrap-‘, followed by the version number, to pinpoint the exact version you are using.

Checking Bootstrap Version via JavaScript Console

By accessing the JavaScript console in your browser’s developer tools, you can run a simple command to reveal the Bootstrap version being utilized on the webpage. This method provides a quick and efficient way to identify the version in use.

HowTo check your Bootstrap version via the JavaScript console: simply type window.$.fn.tooltip.Constructor.VERSION in the console and press Enter. This command will display the version number of Bootstrap currently active on the page.

Tips for Version Management

For effective version management of Bootstrap, it is vital to consider a few key factors. Keeping track of the latest updates, understanding the changes brought in with each version, and planning the upgrade process are crucial steps. By following these tips, you can ensure a smooth transition to newer versions of Bootstrap.

Keeping Your Bootstrap Updated

An important aspect of version management is to keep your Bootstrap framework updated regularly. This ensures that you have access to the latest features, bug fixes, and security patches provided by the developers. By staying up-to-date, you can take advantage of new functionalities and improvements while keeping your projects secure and optimized.

Factors to Consider Before Upgrading

Now is the time to consider the factors that play a vital role in the upgrade process. It is critical to assess the compatibility of your existing codebase with the new version of Bootstrap, the impact of changes on your project’s functionality, and the availability of support and documentation for the updated version. By considering these factors, you can make an informed decision about when and how to upgrade.

  • Compatibility: Check if your existing code will work with the new version.
  • Functionality: Understand how the changes will affect your project’s features.
  • Assume that thorough testing is required before deploying the updated version.

Plus, it is crucial to test the updated framework extensively before deploying it to production. This ensures that your website or application functions correctly and maintains its design integrity. Having a backup plan in place and seeking assistance from the Bootstrap community can also be beneficial during the upgrade process.


Common Issues and Solutions

Many users encounter common issues when trying to determine the Bootstrap version on a website. One common problem is not finding the version number in the source code. To resolve this, you can try using browser developer tools to inspect the page elements and search for Bootstrap classes or files. Additionally, ensure that the Bootstrap files are properly linked in the HTML code.

When to Seek Professional Help

There’s a point where troubleshooting the Bootstrap version can become challenging, especially for those who are not familiar with web development or coding. If you have exhausted all options and still cannot determine the Bootstrap version, it may be time to seek professional help. Web developers or IT professionals can assist in identifying the Bootstrap version and resolving any underlying issues.

To determine the most appropriate time to seek professional help, assess the complexity of the task at hand and your own familiarity with web development concepts. If you are unsure about making changes to the website’s code or configuration, it’s important to reach out to experts who can provide accurate guidance and support.


Considering all points, checking the Bootstrap version of a website can be easily done by inspecting the source code, looking for specific CSS classes, or using browser extensions. Knowing the Bootstrap version is crucial for understanding the features and functionalities available, ensuring compatibility with plugins or themes, and maintaining the overall design consistency. By following the methods outlined in this guide, users can quickly identify the Bootstrap version being used and make informed decisions about their web development projects.