Sign Up for Free

RunKit +

Try any Node.js package right in your browser

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 assert-callback with all npm packages installed. Try it out:

var assertCallback = require("assert-callback")

This service is provided by RunKit and is not affiliated with npm, Inc or the package authors.

assert-callback v0.1.0

A drop-in replacement for node's assert that supports callbacks

RunKit is a free, in-browser JavaScript dev environment for prototyping Node.js code, with every npm package installed. Sign up to share your code.
Sign Up for Free