JSFiddle - React, Tailwind, and code Playground

by Michael Prosser

JavaScript

var array1 = Array('birds','cats','dogs');
var array2 = Array('cows','horses','whales');

// function to migrate from one array to another - appending to the end of new array

function migrate_to_array(newarray,oldarray,index,key){
    
    newarray[key] = oldarray[key];
    
    oldarray.splice(index,1);
    
}

migrate_to_array(array1,array2,1,1);

alert(array2);