Setup UT Project for ES6 Installation of Jasmine Installation: search "Jasmine Test Explorer" in VS code, click "install" and then restart VS code. create an empty folder, e.g. "my-proj" cd my-proj npm init -y npm install jasmine-es6 node .\node_modules\jasmine-es6\bin\jasmine.js init node .\node_modules\jasmine-es6\bin\jasmine.js examples Configuraiton for ES6 Support Install babel npm packages: npm install babel-core babel-preset-es2015 babel-preset-stage-0 Add .babelrc at the root of your code: { "presets": [ "es2015", "stage-0" ] } Change your jasmine.json by adding: "helpers": [ "../node_modules/babel-core/register.js" ] jasmine.json may look like: { "spec_dir": "spec", "spec_files": [ "**/*.[sS]pec.js" ], "helpers": [ "../node_modules/babel-core/register.js", "helpers/**/*.js" ] }