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 400,000 packages pre-installed, including wordcloud with all npm packages installed. Try it out:

var wordcloud = require("wordcloud")

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

wordcloud v1.1.0

Tag cloud/Wordle presentation on 2D canvas or HTML

wordcloud2.js Build Status npm version

Create a tag cloud/Wordle presentation on 2D canvas or HTML.

This library is a spin-off project from HTML5 Word Cloud.

Visit the demo page

Simple usage

Load wordcloud.js script to the web page, and run:

WordCloud(document.getElementById('my_canvas'), { list: list } );

where list is an array that look like this: [['foo', 12], ['bar', 6]].

Options available, see API documentation for detail.

Contact & help

Please read through the API documentation and before filing an issue or contact me via e-mail.


Before putting each word on the canvas, it is drawn on a separate canvas to read back the pixels to record is drawn spaces. With the information, wordcloud.js will then try to find a place to fit the word that is closest to the start point.


Tests are available with QUnit and grunt. To setup environment for testing, run npm install and manually install SlimerJS of your platform.

Use grunt test to ensure all options can be set without JavaScript error.

Use grunt compare --base-commit=gh-pages to compare your proposed fix with gh-pages branch.


The developer would like to thank Chad Jensen for sponsoring the work on image masking on the demo page.

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