摘要： 起初以为this和$(this)就是一模子刻出来。但是我在阅读时，和coding时发现,总不是一回事。What is "this"?In many object-oriented programming languages, this (or self) is a keyword which can be used in instance methods to refer to the object on which the currently executing method has been invoked.$("#textbox").hover( 阅读全文