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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 letter-count with all npm packages installed. Try it out:

var letterCount = require("letter-count")

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letter-count v5.2.1

This is a calculator which counts the number of letters/ characters/ lines/ words/ numbers or wordsigns in a text, useful for your tweets on Twitter, as well as a multitude of other applications.

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.
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