.eslintrc.json

{
    "parserOptions": {
        "ecmaVersion": 5,
        "sourceType": "script"
    },
    "env": {
        "browser": true
    },
    "globals": {
        "jQuery": false
    },
    "extends": "eslint:recommended",
    "rules": {
        "guard-for-in": 2,
        "no-alert": 1,
        "no-caller": 2,
        "no-else-return": 2,
        "no-empty-function": 2,
        "no-eval": 2,
        "no-implicit-globals": 2,
        "no-implied-eval": 2,
        "no-new": 1,
        "no-return-assign": 2,
        "no-return-await": 2,
        "no-self-compare": 2,
        "no-sequences": 2,
        "vars-on-top": 2,
        "no-shadow": 1,
        "no-use-before-define": 2,
        "camelcase": ["error", {"properties": "always"}],
        "no-plusplus": 2,
        "no-tabs": 2,
        "no-nested-ternary": 2,
        "one-var": ["error", "always"],
        "quotes": ["error", "single"],
        "semi": ["error", "always"],
        "comma-dangle": ["error", "never"],
        "radix": ["error", "always"],
        "eqeqeq": ["error", "always"]
    }
}