js-drawing2d
                                Javascript canvas 2D drawing library. Supports both immediate-mode rendering and 2D scene rendering.
                            
                        How to download and setup js-drawing2d
Open terminal and run command
                                            git clone https://github.com/jingwood/js-drawing2d.git
                                        
                                        git clone is used to create a copy or clone of js-drawing2d repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with js-drawing2d https://github.com/jingwood/js-drawing2d/archive/master.zip
Or simply clone js-drawing2d with SSH
                                            [email protected]:jingwood/js-drawing2d.git                                    
                                    If you have some problems with js-drawing2d
You may open issue on js-drawing2d support forum (system) here: https://github.com/jingwood/js-drawing2d/issuesSimilar to js-drawing2d repositories
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