Modernizr

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

官网:https://modernizr.com/

Modernizr

又拍云CDN(官网:http://jscdn.upai.com/)

//upcdn.b0.upaiyun.com/libs/modernizr/modernizr-2.7.1.min.js
//upcdn.b0.upaiyun.com/libs/modernizr/modernizr-2.6.2.min.js
//upcdn.b0.upaiyun.com/libs/modernizr/modernizr-2.6.1.min.js
//upcdn.b0.upaiyun.com/libs/modernizr/modernizr-2.5.3.min.js