Best Practices:
- Choose short but readable variable names.
- Avoid global variables.
- Use only one global object to encapsulate any global variables you really need.
- Always use var to declare your variables.
- Indent your code so it’s readable.
- Use curly braces to define blocks of code.
- Comment your code.
- Always use semi-colons.
- Be aware of where automatic semi-colon insertion happens.
- Declare variables outside loops.
- Reduce DOM operations.