<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0"><channel><title>async - 标签 - CoolDev - buyucoder的博客</title><link>https://blog.cooldev.cn/tags/async.html</link><description>async - 标签 - CoolDev - buyucoder的博客</description><generator>Hugo -- gohugo.io</generator><language>zh-CN</language><lastBuildDate>Tue, 14 Aug 2018 10:39:21 +0000</lastBuildDate><atom:link href="https://blog.cooldev.cn/tags/async.html" rel="self" type="application/rss+xml"/><item><title>网页加载优化-script标签的async和defer属性</title><link>https://blog.cooldev.cn/posts/%E7%BD%91%E9%A1%B5%E5%8A%A0%E8%BD%BD%E4%BC%98%E5%8C%96-script%E6%A0%87%E7%AD%BE%E7%9A%84async%E5%92%8Cdefer%E5%B1%9E%E6%80%A7.html</link><pubDate>Tue, 14 Aug 2018 10:39:21 +0000</pubDate><dc:creator>byc</dc:creator><guid>https://blog.cooldev.cn/posts/%E7%BD%91%E9%A1%B5%E5%8A%A0%E8%BD%BD%E4%BC%98%E5%8C%96-script%E6%A0%87%E7%AD%BE%E7%9A%84async%E5%92%8Cdefer%E5%B1%9E%E6%80%A7.html</guid><description>:rocket: script标签中 有两个属性：async和defer,意思就是异步加载和延迟加载。今天来详细研究下这两个属性。先看一下基本的参数介绍: 1 2</description></item></channel></rss>