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reasons for using var ？ #20648

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cyphernull opened this issue Jan 24, 2021 · 1 comment
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reasons for using var ？ #20648

cyphernull opened this issue Jan 24, 2021 · 1 comment

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@cyphernull
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cyphernull commented Jan 24, 2021 •
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react/packages/scheduler/src/forks/SchedulerDOM.js

Line 253 in f15f8f6

function unstable_runWithPriority(priorityLevel, eventHandler) {

Is there a certain reason for using var instead of let in these unstale_xxx functions and other variables' definition ? 🙂
@rickhanlonii
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The scheduler is designed to be used with no build steps, which means using ES5 syntax.

See #13582 for more context.

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@rickhanlonii @cyphernull