Hello Guys, How are you all? Hope You all Are Fine. Today I get the following error **Javascript Error: IPython is not defined** **in javascript**. So Here I am Explain to you all the possible solutions here.

Without wasting your time, Let’s start This Article to Solve This Error.

Table of Contents

## How Javascript Error: IPython is not defined in Javascript Error Occurs?

Every time I try to plot something using python 3.6.6 I get the following error in JupyterLab…

Javascript Error: IPython is not defined

## How To Solve Javascript Error: IPython is not defined in Javascript Error?

**How To Solve Javascript Error: IPython is not defined in Javascript Error?**To Solve Javascript Error: IPython is not defined in Javascript Error Jupyter Lab does support interactive matplotlib through the jupyter-matplotlib extension. Alternatively, you can configure matplotlib to use inline instead. inline is not as powerful as interactive, but it can save you. To use inline, add this line before plotting the graph.

**Javascript Error: IPython is not defined in Javascript**To Solve Javascript Error: IPython is not defined in Javascript Error Jupyter Lab does support interactive matplotlib through the jupyter-matplotlib extension. Alternatively, you can configure matplotlib to use inline instead. inline is not as powerful as interactive, but it can save you. To use inline, add this line before plotting the graph.

## Solution 1

Jupyter Lab does support interactive matplotlib through the jupyter-matplotlib extension. Alternatively, you can configure matplotlib to use inline instead. inline is not as powerful as interactive, but it can save you. To use inline, add this line before plotting the graph.

%matplotlib inline

## Solution 2

Jupyter Lab does support interactive matplotlib through the jupyter-matplotlib extension. The installation procedure is slightly more involved, but works fine. Since the ipympl Jupyter Lab version requires NodeJS, and NodeJS requires Windows 8.1, ipympl also has this requirement.

How to Install

pip install ipympl # If using JupyterLab 2 pip install nodejs jupyter labextension install @jupyter-widgets/jupyterlab-manager jupyter labextension install jupyter-matplotlib

How to use

%matplotlib widget

**Summery**

It’s all About this issue. Hope all solution helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which solution worked for you? Thank You.

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