How multiple requests are processed (in parallel or sequentially).
如何处理多个请求(并行还是顺序处理)。
At least batching multiple requests is more efficient and can process more data!
至少成批处理多个请求的效率更高,也能处理更多的数据!
Also, some browsers seem to have problems reusing XHR objects for multiple requests.
此外,一些浏览器在为多重请求而重用XHR对象时可能也会存在问题。
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