javascript - 如何在另一个函数中使用 $(this) 引用？

Question

我有一个这样的案例 -

$('<first-selector>').each(function(){
    $(this).click(function(){
        $('<second-selector>').click(function(){
           /* Here I want to use the top $(this) reference to do some business. 
              I don't want to use like var thisObj = $(this) and refer it inside          
              the click function*/
        });
    });
});

如何在另一个对象中使用$(this)引用？

Answer 1

使用$.proxy

$('div').each(function(){
    $(this).click(function(){
        $('p').click($.proxy(function(){
           console.log($(this)); // returns <div>
           /* Here I want to use the top $(this) reference to do some business. 
              I don't want to use like var thisObj = $(this) and refer it inside          
              the click function*/
        }, this));
    });
}); 

演示:http://jsfiddle.net/TRw4X/