Quick Tip: Think Right-to-Left with jQuery | Envato Tuts+

As English speakers, our minds are geared toward interpreting data and text from left-to-right. However, as it turns out, many of the modern JavaScript selector engines (jQuery, YUI 3, NWMatcher), and the native querySelectorAll, parse selector strings from right to left. It's important to note that, more often than not, you don't need to worry about selector performance too much -- as long as you

[mach3ss]

jQueryはセレクタ使うよりもメソッドのほうが高速だけどこまけぇこたぁいいんだよ！という記事。