Some time in 2013 as I was working through some JavaScript constructor inheritance tests, I found an example of static inheritance as an anti-pattern (meaning don't bother with it) in the transpiled code from a CoffeeScript tutorial.

The example is taken from Programming in CoffeeScript by Mark Bates, Addison-Wesley, pp. 147-150, where the author shows that CoffeeScript does not support static inheritance through the __super__ keyword.

However, the example contains more fundamental problems NOT specific to CoffeeScript, as I'll show with my own constructor.js examples.

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Here are two quick and dirty examples showing how to preserve /*** multiline string comments ***/ when using uglifyjs (i.e., uglify 2.0). The first uses the basic uglify cli approach, the second uses gulp.

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In a future post, I argue that the Function constructor in JavaScript can be used for good, solving specific problems.

Preparatory to that, in this post, I examine the eval function and the Function constructor to highlight their similarities as well as their subtle differences, and how to use them without problems.

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Getting started with tests takes time because there are many small decisions to make. If you haven't gone through the whole setup and evolution more than once or twice, it's easy to get lost or just plain forget.

This post aims to walk through the creation of a TDD boilerplate project for re-use when driving your JavaScript tests. We'll set up the project to work with GitHub, node.js, mocha, rawgit, testem and travis. All steps were re-learned the hard way while I worked through my own where.js project in January-February 2014.

Special thanks to these wonderful people for their patient attention to detail and their marvelous feedback

• Toby Ho, creator of testem
• Jamon Holmgren
• John B. Roberts

Update: 25 NOV 2014 ~ links to rawgithub have been modified to point to the rawgit.com domain.

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