jQuery，FadeIn卸载前 [英] Jquery, FadeIn before unload

问题描述

如果您愿意，我正在尝试实现过渡效果.在准备好doc的div淡出时，我遇到的问题是，当访问者离开页面(或.unload)时，我希望div淡入.

I'm trying to accomplish a transition effect if you will. On doc ready div fades out, the problem im having is when a visitor navigates away from the page (or .unload) I want the div to fade back in.

$(document).ready(function(){

    $('#overlay').fadeOut(2000, 'easeOutQuad');

});


$(window).beforeunload(function() {

    $('#overlay').fadeIn(2000, 'easeOutQuad');

});

推荐答案

beforeunload事件是不可靠的，您无法确保它们已完全执行，因为不同浏览器和计算机的卸载速度有所不同. 另外，要实现淡入效果，必须延迟卸载，这是不可能的.

beforeunload events are unreliable, you cannot make sure they are fully executed, because the differences in unload speeds across browsers and computers. Also, to achieve the fade-in effect, the unload must be delayed, which is not possible.

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