Where does parameter value that not show in firefox dev edition go?

where does firefox developer edition hide the XHR request param... ?

Here the image when i open the console tools and make some XHR request but none of parameter is show. Im using POST method when XHR it...

<img src=https://www.e-learn.cn/content/wangluowenzhang/"https://i.stack.imgur.com/BxYKo.png" alt="enter image description here">

I am using firefox-dev edition version : 57.0b11 (64-bit)

thanks u for any guide.


Fortunately those litte guys comeback again to their home as this is getting solved in the newer version of firefox dev edition (58.0b4 (64-bit)

Thanks you


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