Bootstrap 4 spinner not showing

The spinner feature has not yet been developed in Bootstrap 4.0.
Bootstrap 4.5
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css" integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">

Source: stackoverflow.com

Similar codes

132 votes171 views6 answers
Html open link in new tab
Html
2 votes182 views2 answers
Css image as button
Html
0 vote164 views1 answer
Moment in html
Html
1 vote161 views1 answer
Image grid markdown github
Html
0 vote222 views3 answers
How to use bootstrap
Html
61 votes204 views2 answers
Form example
Html
10 votes212 views3 answers
Html lazy loading images
Html
0 vote171 views1 answer
Pills vertically with content on right
Html
1 vote182 views1 answer
Move cursor to end of line javascript
Html
0 vote178 views1 answer
Html content editable no newline
Html