"To inject Javascript we provide an entry point: `custom.js` that allows the user to execute and load other resources into the notebook.\n",
"Javascript code in `custom.js` will be executed when the notebook app starts and can then be used to customize almost anything in the UI and in the behavior of the notebook.\n",
"\n",
"`custom.js` can be found in the Jupyter dir. You can share your custom.js with others."
"`custom.js` can be found in the `~/.jupyter/custom/custom.js`. You can share your custom.js with others."