A simple and very light weight responsive javascript progress bar library having checkpoints.

To use this library just include in your html file in the script tag. and in your application:

ProgressBar.init( [ 'checkpoint-1', 'checkpoint-2', ..., ..., 'checkpoint-n' ], 'current-checkpoint', 'wrapper div(optional)' );

You can modify styles from css/main.css, according to your requirement Also you can modify animation duration as per your requirement.

ProgressBar.singleStepAnimation = 1500

See the example file to understand more.