[FIXED] How to get the width of output cell of Jupyter notebook?

Issue

I am creating a custom widget (ipywidget) and I need to get the width of the output cell of Jupyter notebook at runtime. So that I can occupy maximum width with my widget.

Solution

We can get the width of output cell (in px) using this.el.getBoundingClientRect(), which returns the following object:

Answered By - Anant_Kumar