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Tedshd's Dev note

HTML5 - Full Screen Mode

/posts/2014-05-08-html5-full-screen-mode/
Table of Contents

# HTML5 - Full Screen Mode

It can control full screen the browser IE if it is to be more than IE11

## Code 

function toggleFullScreen() {
  if (!document.fullscreenElement &&    // alternative standard method
      !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement ) {  // current working methods
    if (document.documentElement.requestFullscreen) {
      document.documentElement.requestFullscreen();
    } else if (document.documentElement.msRequestFullscreen) {
      document.documentElement.msRequestFullscreen();
    } else if (document.documentElement.mozRequestFullScreen) {
      document.documentElement.mozRequestFullScreen();
    } else if (document.documentElement.webkitRequestFullscreen) {
      document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
    }
  } else {
    if (document.exitFullscreen) {
      document.exitFullscreen();
    } else if (document.msExitFullscreen) {
      document.msExitFullscreen();
    } else if (document.mozCancelFullScreen) {
      document.mozCancelFullScreen();
    } else if (document.webkitExitFullscreen) {
      document.webkitExitFullscreen();
    }
  }
}

## Example

HTML

<button id="full">Full Screen</button>

JavaScript


document.querySelector('#full').addEventListener('click', function() {
    toggleFullScreen();
});

function toggleFullScreen() {
  if (!document.fullscreenElement &&    // alternative standard method
      !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement ) {  // current working methods
    if (document.documentElement.requestFullscreen) {
      document.documentElement.requestFullscreen();
    } else if (document.documentElement.msRequestFullscreen) {
      document.documentElement.msRequestFullscreen();
    } else if (document.documentElement.mozRequestFullScreen) {
      document.documentElement.mozRequestFullScreen();
    } else if (document.documentElement.webkitRequestFullscreen) {
      document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
    }
  } else {
    if (document.exitFullscreen) {
      document.exitFullscreen();
    } else if (document.msExitFullscreen) {
      document.msExitFullscreen();
    } else if (document.mozCancelFullScreen) {
      document.mozCancelFullScreen();
    } else if (document.webkitExitFullscreen) {
      document.webkitExitFullscreen();
    }
  }
}

## CodePen

See the Pen full screen mode by Ted (@tedshd) on CodePen.

## Other use

Use it make youtube api player full screen If render player on <div id="player"></div>


document.querySelector('#full').addEventListener('click', function () {
  toggleFullScreen(document.querySelector('#player'));
});

function toggleFullScreen(el) {
  if (!document.fullscreenElement &&    // alternative standard method
      !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement ) {  // current working methods
    if (document.documentElement.requestFullscreen) {
      el.requestFullscreen();
    } else if (document.documentElement.msRequestFullscreen) {
      el.msRequestFullscreen();
    } else if (document.documentElement.mozRequestFullScreen) {
      el.mozRequestFullScreen();
    } else if (document.documentElement.webkitRequestFullscreen) {
      el.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
    }
  } else {
    if (document.exitFullscreen) {
      document.exitFullscreen();
    } else if (document.msExitFullscreen) {
      document.msExitFullscreen();
    } else if (document.mozCancelFullScreen) {
      document.mozCancelFullScreen();
    } else if (document.webkitExitFullscreen) {
      document.webkitExitFullscreen();
    }
  }
}

Refer - Using fullscreen mode - Web developer guide | MDN

Refer - 全螢幕 API (Windows)

Refer - How to Use the HTML5 Full-Screen API (Again) - SitePoint