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polyfill for requestFullscreen

var fullscreen = require('fullscreen')
  , el = document.getElementById('element')
  , fs
fs = fullscreen(el)
el.addEventListener('click', function() {
document.body.onkeydown = function() {
fs.on('attain', function() {
  // attained fullscreen
fs.on('release', function() {
  // released fullscreen
fs.on('error', function() {
  // fullscreen request failed, or
  // fullscreen isn't supported


require('fullscreen').available() -> bool

return a boolean yes/no for whether fullscreen api is supported.

require('fullscreen').enabled() -> bool

return a boolean yes/no for whether fullscreen is enabled for the document.

fullscreen(element) -> fs event emitter

return a fullscreen event emitter object. if fullscreen is not available, on the next turn of the event loop it'll emit 'error'.

fs.request() -> undefined

issue a request for fullscreen. if it's accepted, it emits 'attain', otherwise 'error' for denial.

fs.release() -> undefined

release the current fullscreen element. if the fullscreen is released, it emits 'release'.

fs.dispose() -> undefined

removes any event listeners created by the fs instance once you're done with it. -> HTMLElement?

returns the current fullscreen target, if any.