In Part 1 of this series, we introduced JSONP as an effective cross-domain communication technique, one that lets you bypass the same-origin policy limitations imposed by the current browsers.
在本系列的第1部分中，我们介绍了JSONP是一种有效的跨域通信技术，允许您绕过当前浏览器带来的同源策略限制。
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