Getting started with Jasmine is actually pretty simple.
Open the Jasmine website at http://jasmine.github.io/2.1/introduction.html#section-Downloads and download the Standalone Release (version 2.1.3 is going to be used in the book).
While at the Jasmine website, you might notice that it is actually a live page executing the specs contained in it. This is made possible by the simplicity of the Jasmine framework, allowing it to be executed in the most diverse environments.
After you've downloaded the distribution and uncompressed it, you can open the
SpecRunner.html file on your browser. It will show the results of a sample test suite (including the acceptance criterion we showed you earlier):