- Indent with two spaces
- No trailing whitespace
- Block open curlys (
{) start on the same line elseandelse ifcontinue on same line as block closing curly e.g.} else if (foo) {- Always use curlys with conditionals and loops
- Single space before opening parens and after closing parens e.g.
function () {,if (x) { - No semicolons, except when necessary
- Comma last
- Double quotes for strings, where it makes sense
- Short variable names for short lived variables, longer descriptive names for variables with long lives
- Use standard parameter names:
erError,cbFunction callback,optsoptions Object,eEvent - Callback functions should always receive error object as first parameter
- Write small functions
- Return early from functions to avoid deep nesting of if-statements
- Use lowerCamelCase for variables, properties and function names
- Use UpperCamelCase for class names
- Use UPPERCASE for Constants
- Doctype always
<!doctype html> - Indent with two spaces
- Self closing tags have no trailing slash. i.e.
/>is wrong - Boolean attributes have no value e.g.
<input type="checkbox" checked>
- Indent with two spaces
- Block open curlys (
{) start on the same line - Use hyphen seperated class names and ids e.g. "#main-nav", ".last-item"