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Ajax和跨域 | XXL的博客 #11

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Mrpaker opened this issue Mar 21, 2019 · 0 comments
Open

Ajax和跨域 | XXL的博客 #11

Mrpaker opened this issue Mar 21, 2019 · 0 comments
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Mrpaker commented Mar 21, 2019

https://mrpaker.github.io/2019/03/21/Ajax/#more

Ajax技术的出现，使浏览器能够像服务器请求额外的数据而无须重新加载界面，带来了更好的用户体验。Ajax技术的核心是XMLHttpRequest对象（简称XHR）。 XMLHttpRequest对象创建创建一个XHR对象非常简单，只需要使用XMLHttpRequest构造函数即可： 1var xhr = new XMLHttpRequest() 在IE7之前的IE版本中，使用的是ActiveXO
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