My personal configuration .jshintrc

.jshintrc

{
    // Documentation: http://www.jshint.com/docs/options/


    // Predefined globals who JSHint will ignore.
    "browser": true,   // Standard browser globals e.g. `window`, `document`.
    "node": true,
    "rhino": false,
    "couch": false,
    "wsh": false,   // Windows Scripting Host.
    "jquery": true,
    "prototypejs": false,
    "mootools": false,
    "dojo": false,
    "predef": [  // Extra globals.
        "require",
        "define"
    ],


    // Development.
    "debug": false,  // Allow debugger statements e.g. browser breakpoints, debugger.
    "devel": true,   // Allow development statements e.g. `console.log();`.


    // EcmaScript 5.
    "strict": false,  // Require `use strict` pragma in every file.
    "globalstrict": false,  // Allow global "use strict" (also enables 'strict').


    // Ensure The Good Parts of Javascript.
    "asi": false,  // Tolerate Automatic Semicolon Insertion (no semicolons).
    "boss": true,  // Tolerate assignments inside if, for & while. Usually conditions & loops are for comparison, not assignments.
    "sub": true, // This option suppresses warnings about using [] notation when it can be expressed in dot notation.
    "evil": false,  // Tolerate use of `eval`.
    "camelcase": true, // This option allows you to force all variable names to use either camelCase style or UPPER_CASE with underscores.
    "expr": true,  // Tolerate `ExpressionStatement` as Programs.
    "funcscope": false, // Allow declaring variables inside of control structures while accessing them later from the outside.
    "bitwise": true,   // Prohibit bitwise operators (&, |, ^, etc.).
    "latedef": "nofunc",  // Prohibit variable use before definition.
    "curly": true,   // Require {} for every new block or scope.
    "newcap": true, // Require capitalize names of constructor functions.
    "noarg": true,   // Prohibit use of `arguments.caller` and `arguments.callee`.
    "indent": 2, // Require n number of indentation
    "eqeqeq": true,  // Require triple equals i.e. `===`.
    "eqnull": true,  // Tolerate use of `== null`.
    "esnext": true, // Allow EcmaScript 6 syntax.
    "lastsemic": false, // Allow omit semicolon for the last statement in a one-line block.
    "immed": true,   // Require immediate invocations to be wrapped in parens e.g. `( function(){}() );
    //"quotmark": true, // Don't force any particular style of quotes, values can be `true`, `single`, `double`
    "laxbreak": false,  // Tolerate unsafe line breaks e.g. `return [\n] x` without semicolons.
    "forin": true,   // Tolerate `for in` loops without `hasOwnPrototype`.
    "loopfunc": false,  // Allow functions to be defined within loops.
    "regexp": true,   // Prohibit `.` and `[^...]` in regular expressions.
    "regexdash": false,  // Tolerate unescaped last dash i.e. `[-...]`.
    "scripturl": true,   // Tolerate script-targeted URLs.
    "shadow": false,  // Allows re-define variables later in code e.g. `var x=1; x=2;`.
    "supernew": false,  // Tolerate `new function () { ... };` and `new Object;`.
    "undef": true,   // Require all non-global variables be declared before they are used.
    "unused": true, // This option warns when you define and never use your variables.
    "trailing": true, // This option makes it an error to leave a trailing whitespace in your code.
    "smarttabs": true, // This option suppresses warnings about mixed tabs and spaces when the latter are used for alignmnent only.
    "maxcomplexity": 18
}