Array.prototype.find
                                Polyfill for the The find() method. Returns a value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is returned
                            
                        How to download and setup Array.prototype.find
Open terminal and run command
                                            git clone https://github.com/jsPolyfill/Array.prototype.find.git
                                        
                                        git clone is used to create a copy or clone of Array.prototype.find 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 Array.prototype.find https://github.com/jsPolyfill/Array.prototype.find/archive/master.zip
Or simply clone Array.prototype.find with SSH
                                            [email protected]:jsPolyfill/Array.prototype.find.git                                    
                                    If you have some problems with Array.prototype.find
You may open issue on Array.prototype.find support forum (system) here: https://github.com/jsPolyfill/Array.prototype.find/issuesSimilar to Array.prototype.find repositories
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