异步动态加载JS并运行(示例代码)

如下所示: 代码如下:(function(){var ga=document.createElement(‘script’);ga.type?=?’text/javascript’;?ga.async?=?true;ga.src?=?(‘https:’?==?[removed].protocol???’https://ssl’?:?’http://www’)?+?’.google-analytics.com/ga.js’; var?s?=?document.getElementsByTagName(‘script’)[0];? s[removed].insert