libjs-img.srcset software package provides fast JavaScript polyfill for img srcset, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libjs-img.srcset
libjs-img.srcset is installed in your system.
Make ensure the libjs-img.srcset package were installed using the commands given below,
$ sudo dpkg-query -l | grep libjs-img.srcset *
You will get with libjs-img.srcset package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Web Software |
| Package | libjs-img.srcset |
| Version | 2.0.0~20131003~dfsg-1 |
| Description | fast JavaScript polyfill for img srcset |
| Sub Section | Web |