CDN,Content Delivery Network
1.Microsoft http://www.asp.net/ajax/cdn
#Using_ASPNET_Ajax_from_the_CDN_20
2.https://www.bootcdn.cn/
各种版本的tinymce
https://www.bootcdn.cn/all/ 查找页面
http://www.bootcdn.cn/tinymce/
https://www.bootcdn.cn/jquery/
3.Microsoft CDN
ajax.aspnetcdn.com
https://ajax.aspnetcdn.com/ajax/jquery.validate/1.17.0/jquery.validate.js
4.jQuery CDN
<script
src="http://code.jquery.com/jquery-3.3.1.min.js"
integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
crossorigin="anonymous"></script>
5.cloudflare
You can find the libraries made available through cdnjs.cloudflare.com by searching on the cdnjs project's website.
search web url:https://cdnjs.com/
How to use
step 1: go to https://cdnjs.com/
step 2: type bootstarp in searchbox
you will goto https://cdnjs.com/libraries/bootstrap
step 3: choice version bootstrap 5.1.3 in select list box
you will goto https://cdnjs.com/libraries/bootstrap/5.1.3
step 4: copy all link which you needed
bootstrap 5.1.3
step 1:go to https://cdnjs.com/libraries/bootstrap/5.1.3
step 2: copy link
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.1.3/css/bootstrap.min.css" integrity="sha512-GQGU0fMMi238uA+a/bdWJfpUGKUkBdgfFdgBm72SUQ6BeyWjoY/ton0tEjH+OSH9iP4Dfh+7HM0I9f5eR0L/4w==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.1.3/js/bootstrap.min.js" integrity="sha512-OvBgP9A2JBgiRad/mM36mkzXSXaJE9BEIENnVEmeZdITvwT09xnxLtT4twkCa8m/loMbPHsvPl0T8lRGVBwjlQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
https://cdnjs.com/libraries/twitter-bootstrap/4.3.0
https://cdnjs.cloudflare.com/ajax/libs/bootswatch/4.0.0/cerulean/bootstrap.min.css
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha256-5+02zu5UULQkO7w1GIr6vftCgMfFdZcAHeDtFnKZsBs=" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
6.jsdeliv
A free CDN for Open Source
https://www.jsdelivr.com/
demo
https://getbootstrap.com/docs/4.5/getting-started/introduction/
<script src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js">
国内外CDN地址