XMLHttpRequest cannot load http://code.imooc.com/course/runcode. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://www.imooc.com' is therefore not allowed access.

Question

我这儿不能显示运行结果 F12看到了这个  XMLHttpRequest cannot load http://code.imooc.com/course/runcode. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://www.imooc.com' is therefore not allowed access.请问该怎么解决？

Answer 1

我也是这问题 要启动http服务么，怎么启动呢？？？

Answer 2

是跨域了吗

Answer 3

没人么。。。