Angular 10 encountering issues with loading Bootstrap styles

I'm currently working on a project that involves Angular 10 and the Bootstrap library. However, I'm encountering an issue where the Bootstrap styles are not loading properly.

Upon checking the package.json file, I can see that Bootstrap is listed as a dependency:

"bootstrap": "^3.4.1",

I have attempted to troubleshoot this problem in various ways, but as someone new to Bootstrap, I have not been able to identify the root cause yet.

I don't want my button to look like this:

https://i.sstatic.net/4Xy98.jpg

Any assistance on this matter would be greatly appreciated.

cssangularvisual-studiobootstrap-4

Answer №1

When incorporating Bootstrap into an Angular project, there are multiple methods to do so. Personally, I find the most efficient way is to execute 

ng add @ng-bootstrap/ng-bootstrap
at the root of your project. This action will automatically integrate the necessary information into your angular.json and package.json files.

It's worth mentioning that your Angular CLI version must be 9 or higher for this process to work seamlessly.

Answer №2

Bootstrap will not take effect if added while the server is already running. Restart the server to see changes. If issues persist, follow the steps below:

Ensure the following code is present in your angular.json file

"styles": [
              "node_modules/bootstrap/dist/css/bootstrap.min.css",
              "src/styles.css"
            ],
            "scripts": [
              "node_modules/jquery/dist/jquery.min.js",
              "node_modules/bootstrap/dist/js/bootstrap.min.js"
            ]

To install Bootstrap and jQuery, use the following commands: First, navigate to your app directory, then open the terminal and execute these commands

npm install bootstrap@latest --save

npm install jquery@latest --save

Answer №3

Encountering a similar problem, I found that simply restarting the server resolved the issue. In my case, I had obtained the installation from npm by running the npm install command.

Answer №4

To use Bootstrap, you can add this link 

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
to the index.html file and recompile the application. Alternatively, you can include your Bootstrap assets path in angular.json under projects -> architect -> styles.

Answer №5

Take another stroll through this issue, If you've got bootstrap installed but still not seeing Bootstrap styles, simply include

node_modules/bootstrap/dist/css/bootstrap.min.css"

in your angular.json file.

Your styles should now be loading correctly.

Answer №6

I had anticipated finding the bootstrap.css file in the html <head> section as previous versions had indicated, but to my surprise, it was actually hidden and bundled within the styles.css file in the browser.

These simple steps were all that was needed:

npm install --save bootstrap

Then in angular.json, under build (not test):

"styles": [
          "node_modules/bootstrap/dist/css/bootstrap.min.css",
          "src/styles.css"
        ],

After that, just run ng serve again

Answer №7

Ensure that the versions in your package.json file are correct. Sometimes, you may run into issues with the combination of popper, jQuery, and bootstrap during installation. Here's an example:

//package.json
"dependencies": {
"bootstrap": "^4.6.0",
"jquery": "^3.5.1",
"popper.js": "^1.16.1"
}

Also, check the //angular.json

"styles": [
              "src/styles.css",
              "./node_modules/bootstrap/dist/css/bootstrap.min.css"
            ],
            "scripts": [
              "./node_modules/jquery/dist/jquery.min.js",
          "./node_modules/popper.js/dist/umd/popper.min.js",
          "./node_modules/bootstrap/dist/js/bootstrap.min.js"
            ]

If you make any changes to the package file, remember to delete node_modules and package-lock.json before re-installing everything with npm install.

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