In the JSP page iframe added allowfullscreen unable to full screen, - & gt; The same code with HTML alone open: can full screen (the same browser),
The JSP page structure: the development environment is multilayer nested iframe, separate HTML only a layer of the iframe,
Environmental difference: unable to full screen (on development), can full screen (a separate HTML),
Conclusion: with the development environment element conflicts may,

Hope great god glad!

CodePudding user response:

https://blog.csdn.net/weixin_45286267/article/details/103732335 may be useful to you