六步搭建ES6语法环境

    npm init

    npm i -g nodeman

    npm i -D babel-preset-es2015 babel-preset-stage-0

    {
        "presets": ["es2015", "stage-0"]
    }

    "scripts": {
            "test": "echo \"Error: no test specified\" && exit 1",
            "dev" : "nodemon --exec babel-node index.js"
    },

    npm run dev