jQuery-Tutorial: Improve your jQuery - 25 excellent tips * 1. Load the framework from Google Code * 2. Use a cheat sheet * 3. Combine all your scripts and minify them * 4. Use Firebug's excellent console logging facilities * 5. Keep selection operations to a minimum by caching * 6. Keep DOM manipulation to a minimum * 7. Wrap everything in a single element when doing any kind of DOM insertion * 8. Use IDs instead of classes wherever possible * 9. Give your selectors a context * 10. Use chaining properly * 11. Learn to use animate properly * 12. Learn about event delegation * 13. Use classes to store state * 14. Even better, use jQuery's internal data() method to store state * 15. Write your own selectors * 16. Streamline your HTML and modify it once the page has loaded * 17. Lazy load content for speed and SEO benefits * 18. Use jQuery's utility functions * 19. Use noconflict to rename the jquery object when using other frameworks * 20. How to tell when images have loaded * 21. Always use the latest version * 22. How to check if an element exists * 23. Add a JS class to your HTML attribute * 24. Return 'false' to prevent default behaviour * 25. Shorthand for the ready event