# JS Object with a parameter demo.

The CEF3 document describing JavaScript integration is here :
https://bitbucket.org/chromiumembedded/cef/wiki/JavaScriptIntegration.md

This demo is based in the code comments for the cef_register_extension function in this file :
/include/capi/cef_v8_capi.h

The following button sets the value of test.myparam with the text in the input box.

The following button shows the value of test.myparam.