harvey.js.md

   1 ---
   2 title: Harvey.js
   3 category: JavaScript libraries
   4 layout: 2017/sheet
   5 intro: |
   6   [Harvey.js](http://harvesthq.github.io/harvey/) helps you build responsive interfaces.
   7 ---
   8
   9 ### Usage
  10
  11 ```js
  12 Harvey.attach('(min-width: 600px)', {
  13   setup: function () {
  14     // Called on first enter
  15   },
  16   on: function () {
  17     // Called on every enter
  18   },
  19   off: function () {
  20     // Called on every exit
  21   }
  22 })
  23 ```
  24
  25 ### Deprecated
  26
  27 Harvey.js hasn't been updated in a while, as of time of writing. Consider [enquire.js](https://github.com/WickyNilliams/enquire.js) instead.
  28
  29 ### References
  30
  31 * <http://harvesthq.github.io/harvey>