# Isogram Determine if a word or phrase is an isogram. An isogram (also known as a "nonpattern word") is a word or phrase without a repeating letter. Examples of isograms: - lumberjacks - background - downstream The word *isograms*, however, is not an isogram, because the s repeats. ## Setup Go through the setup instructions for JavaScript to install the necessary dependencies: http://exercism.io/languages/javascript/installation ## Making the Test Suite Pass Execute the tests with: jasmine .spec.js Replace `` with the name of the current exercise. E.g., to test the Hello World exercise: jasmine hello-world.spec.js In many test suites all but the first test have been skipped. Once you get a test passing, you can unskip the next one by changing `xit` to `it`. ## Source Wikipedia [https://en.wikipedia.org/wiki/Isogram](https://en.wikipedia.org/wiki/Isogram) ## Submitting Incomplete Solutions It's possible to submit an incomplete solution so you can see how others have completed the exercise.