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Unigui must be ext-all.js Through CDN Http://cdn.bootcss.com/extjs/4.2.1/ext-all.min.js Access through a UNIGUI service Http://183.234.23.125:10078/ext-4.2.1.883/ext-all.min.js The test site Http://www.17ce.com Can obtain different ISP from different provinces and access your average service responsespeed unigui必须的 ext-all.js 通过CDN获取 http://cdn.bootcss.com/extjs/4.2.1/ext-all.min.js 通过UNIGUI服务获取 http://183.234.23.125:10078/ext-4.2.1.883/ext-all.min.js 测试网站 http://www.17ce.com 可以获得 不同ISP 不同省份访问你的服务平均响应速度

Can greatly improve the first download speed, if after the browser cache, speed is the same.

In a Unigui app, browser also caches static js files so I see no advantage in placing them on a remote server.