Example of undefined in Javascript Circular Gauge Control

/
/
Sleep Tracker

This sample represents the number of hours slept by a person using a sleep tracker. The sleep tracker also displays the start and end time of each sleep cycle.

More Details...

Description

In this example, you can see how to make the circular gauge look like a sleep tracker. Additionally, the date, start and end time, and duration of sleep are all displayed. More information on the circular gauge can be found in this documentation section.