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Control JS with mediaqueries
JavaScript CoffeeScript
branch: master

readme.md

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This is a simple wrapper around matchMedia to run code on entry and exit from media queries. It also uses browser resize as a fallback for browsers that don't support matchMedia.

Demo

There are two examples here: http://sparkbox.github.io/mediaCheck/

media

Type: string

This is the mediaquery that will trigger the specified action. It should be in the form:

  • (min-width: 420px)
  • (min-width: 35em)
  • (max-width: 800px)
  • (max-width: 60em)

entry

Type: function

This function will execute once when the mediaquery becomes active.

exit

Type: function

This function will execute once when the mediaquery becomes inactive.

both

Type: function

This function will execute once when the mediaquery changes state.

Usage Example:

mediaCheck({
  media: '(max-width: 420px)',
  entry: function() {
    console.log('starting 420');
  },
  exit: function() {
    console.log('leaving 420');
  },
  both: function() {
    console.log('changing state');
  }
});

Change History

  • 0.4.6
    • You can now pass combined mediaqueries e.g. (min-width: 320px and max-width: 800px)
    • It also now accepts [min|max]-aspect-ratio
  • 0.4.5
    • Passing mq to entry, exit, and both
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