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MessageChannel and setTimeout execution order is unstable #10420

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XiaoDHuang opened this issue Aug 22, 2019 · 1 comment
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MessageChannel and setTimeout execution order is unstable #10420

XiaoDHuang opened this issue Aug 22, 2019 · 1 comment

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@XiaoDHuang
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Version

2.5.13

Reproduction link

https://codepen.io/hddgithub02/pen/GRKNzjP?editors=1111

Steps to reproduce

chrome 49.0.2623.75

What is expected?

nextTick 早于 setTimeout

What is actually happening?

实际结果两个调用顺序不稳定

chrome 49.0.2623.75 此版本浏览器已经确认支持Promise API 测试一下跟 MessageChannel 与setTimeout 异步有关
@haoqunjiang
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在 2.6 里我们已经不再使用 MessageChannel 实现 nextTick 了 #8450

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@haoqunjiang @XiaoDHuang