We understand that you might want to explore the application and get a hands on feel before you decide if it is the right fit for your organisation or project.
Just click here Checklist Playground
Click on 
Click on 
Now you can get a feel of the checklist feature by
- Adding/Deleting new tabs ,sections and items
- Changing the status of the items
- Searching for a keyword within the checklist
- Saving the checklist as a template
- Resetting the checklist
- For help on how to perform the above actions please refer to Getting Started with JIRA Checklist