10 Tips for Writing JavaScript without jQuery

jQuery is a great library. It came to be around the time when IE6 was the number one browser. Back then, there were quirks and differences that were tedious to work around and jQuery was the perfect tool for writing cross browser code. Today, however, web browsers have advanced a great deal from those days. We can comfortably use all features provided by ES5, and we have at our disposal awesome HT

[efcl]

ACEベースのJSFiddle的なJS/HTML/CSSを使った実行エディタがついてる。