我刚接触ES6,但是无法使它正常工作:
$(this)
在点击事件中返回undefined?
dom.videoLinks.click((e) => {
e.preventDefault();
console.log($(this));
var self = $(this),
url = self.attr(configuration.attribute);
eventHandlers.showVideo(url);
// Deactivate any active video thumbs
dom.videoLinks.filter('.video-selected').removeClass('video-selected');
// Activate selected video thumb
self.addClass('video-selected');
});
然而,如果我将它更改为不是箭头函数(arrow function),像这样,它按预期工作吗?
dom.videoLinks.click(function(e) {
e.preventDefault();
console.log(this);
console.log($(this));
var self = e.this,
url = self.attr(configuration.attribute);
eventHandlers.showVideo(url);
// Deactivate any active video thumbs
dom.videoLinks.filter('.video-selected').removeClass('video-selected');
// Activate selected video thumb
self.addClass('video-selected');
});
如果我在回调函数中使用 箭头函数,我该如何处理?