HTML5 FullScreen API toggle with JavaScript -

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i trying make button toggle (on/off) html5 fullscreen on website.

after reading plenty of documentation, appears there still inconsistencies among how browsers treat properties it.

i went kind of "cross-browser" approach does work in firefox , safari/macos, partially works in safari/windows , totally fails work in chrome , opera.

some castrated code snippets:

// class init initialize: function() {      this.elmbuttonfullscreen = $('fullscreen');     this.elmbuttonfullscreen.on('click', this.onclickfullscreen.bindaseventlistener(this)); },  // helper methods _launchfullscreen: function(element) {      if(element.requestfullscreen) { element.requestfullscreen(); }     else if(element.mozrequestfullscreen) { element.mozrequestfullscreen(); }     else if(element.webkitrequestfullscreen) { element.webkitrequestfullscreen(); } }, _cancelfullscreen: function() {      if(document.cancelfullscreen) { document.cancelfullscreen(); }     else if(document.mozcancelfullscreen) { document.mozcancelfullscreen(); }     else if(document.webkitcancelfullscreen) { document.webkitcancelfullscreen(); } }, _isfullscreen: function() {      fullscreen = document.fullscreenenabled || document.mozfullscreenenabled || document.webkitfullscreenenabled ? true : false;     if(this.debug) console.log('fullscreen enabled? ' + fullscreen);     return fullscreen; },  // callbacks onclickfullscreen: function(e) {      e.stop();     if(this._isfullscreen()) this._cancelfullscreen();     else this._launchfullscreen(document.documentelement); }

changing 1st line of _isfullscreen function to

fullscreen = document.fullscreenenabled || document.mozfullscreenenabled || document.webkitisfullscreen ? true : false;

does trick (at least firefox, chrome , safari on mac , windows)


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