解决方法
从
Commonly Confused Bits Of jQuery开始:
CLOSEST(SELECTOR)
This is a bit of a well-kept secret,but very useful. It works like parents(),except that it returns only one parent/ancestor. In my experience,you’ll normally want to check for the existence of one particular element in an element’s ancestry,not a whole bunch of them,so I tend to use this more than parents().
因此,当PHPQuery中存在parents()时,您可以使用源代码中的示例
Tip: you can simulate closest() by using parents() and limiting it to one returned element.
$($('#element1').parents('#element2').get(0)).css('background','#f90');