JSFiddle - React, Tailwind, and code Playground
by lollero
JavaScript
var parentFolder = [
'folder1/file1.ai',
'folder1/file2.ai'
];
var subFolder = [
'folder1/folder2/file1.ai',
'folder1/folder2/file2.ai',
'folder1/folder2/file3.ai'
];
var concat = parentFolder.concat( subFolder ) ;
alert( concat.join('\n') );