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This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including @www778878net/promise78 with all npm packages installed. Try it out:

var promise78 = require("@www778878net/promise78")

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@www778878net/promise78 v0.0.2

no try catch;let [err,data]= await Promise78func()

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