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关于ajax数据窜的问题？

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关于ajax数据窜的问题？

有一个ajax轮询，每隔5秒钟发送一次请求，先发送请求A，5秒后再发送请求B，如果A请求的返回数据比较慢，B返回了数据A才返回，这时A返回的数据会覆盖B返回的，这个怎么处理？才能不覆盖


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by (71.8m points)

一个笨办法...
在全局区域內或者 storage 里记录一个当前显示的数据的请求时间
每次请求,记录下当前请求的时间,当请求响应完成时,把这次请求的请求时间和上面说的时间对比,如果小于,就抛弃,如果大于,就更新为当前请求的请求时间,并渲染数据.


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
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