imgix.js is a dependency-free JavaScript library for the browser that allows you to easily use the imgix API to make images on your site responsive. imgix.js makes using the srcset attribute and the <picture> element easier. These are widely-supported standards that allow you to deliver a great responsive experience.
![imgix - imgix.js](https://cdn-ak-scissors.b.st-hatena.com/image/square/ef662465dc0aa59367b911ed3b8467beba24ca2d/height=288;version=1;width=512/https%3A%2F%2Fassets.imgix.net%2Fog%2Fmountains.jpg%3Fauto%3Dformat%26markpad%3D0%26blend64%3DMzM1YjgxOWQ%26bm%3Dscreen%26txtalign%3Dcenter%26txtpad%3D80%26txtfit%3Dmax%26txtsize%3D36%26txtclr%3Dfff%26txtfont64%3DQXZlbmlyIE5leHQgRGVtaSwgQm9sZA%26q%3D99%26markalign%3Dmiddle%252C%2520center%26mark64%3DaHR0cHM6Ly9hc3NldHMuaW1naXgubmV0L3ByZXNza2l0L2ltZ2l4LXByZXNza2l0LnBkZj9peGxpYj1yYi0xLjEuMCZ3PTY0MCZmbT1wbmcmcGFnZT00%26w%3D1200%26fit%3Dcrop%26h%3D630%26txt64%3DVGhlIGVuZC10by1lbmQgcGxhdGZvcm0gZm9yIHZpc3VhbCBtZWRpYSBwcm9jZXNzaW5n)