We’ve used these for a number of tasks and they work well embedded within property grids. It should be noted that there are a number of other choices for Sparklines. Here is a brief description from their website.
The plugin is compatible with most modern browsers and has been tested with Firefox 2+, Safari 3+, Opera 9, Google Chrome and Internet Explorer 6, 7, 8, 9 & 10 as well as iOS and Android.
The plugin was written by Gareth Watts for Splunk Inc and released under the New BSD License.