my-conventions.js

// single quotes over double quotes

// variables

var a, b, c;

var a = 'a',
    b = 'b',
    c = 'c';

var obj = { key: 'value' }

// functions

function MyFunction () {}

myFunction = function () {}

myFunction()

// control flow

if (true) {
    //single line if using curly braces
}