8小8x人成导航

Code as above; You can see, There are obvious shortcomings, For example, when I click on an element, I need to create a div. I click on the second element to create a div again, We frequently click on such and such elements, and they will frequently create div elements. Although we can remove pop-up codes when we click Close, it is not good for us to frequently create and delete them, especially for performance, and frequent operations on DOM will cause redrawing, etc., thus affecting performance. Therefore, this is a very bad habit. We can now use the monomer mode to realize the pop-up effect. We can instantiate it only once. The following code:格蕾成功生娃，韦伯触电待救，胖C发现AC出轨情感危机，杨和欧文感情不甚乐观，四月继续纠结小黑。第二代实习医生遇到重大考验，生离死别，真情初现……GoCBS宣布一口气续订三季《生活大爆炸》，合约将一直延长至2016-2017播出季，也就说目前的长度已达到了10季。　　面对国际对于外太空资源抢夺形势的加剧，中国政府决心在太空建立永久性空间站，而宇航员正是这项任务的重要执行者。张天聪不仅是新一代航天员的教官，同时也是他们的竞争者。怀揣着“飞天”之梦的张天聪与所有航天员一起经历着种种常人所不能想象的训练。为了进行失重训练，航天员们远赴俄罗斯加加林航天中心，出色的训练成绩赢得了俄罗斯、美国等同行们的尊重。老妇缓缓点头，沉了口气：亡夫临刑，托业与汪东城。