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js中，xhr的onreadystatechange回调属于宏任务还是微任务？

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js中，xhr的onreadystatechange回调属于宏任务还是微任务？

js中，xhr的onreadystatechange回调属于宏任务还是微任务？


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异步队列。宏任务呀。

微任务只是有限的几个，Promise.then()


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