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HTML

              
                <h1>Launch any object into full-screen mode</h1>

<p>Prefixes added for the fullest cross-browser support.<br>Though the method is still unsupported on iPhones.</p>

<div class=wrapper>
  <div data-fullScreen class=fullScreen-1>

    <!-- Button embedded here by JS, if the method is supported -->
    
    <h2>X-wing silhouette</h2>

    <svg class=svg-xWing xmlns="http://www.w3.org/2000/svg" viewBox="0 0 96 96">
      <path d="M11.2 65.2c-1.8-1.14-3.7-2.1-5.55-3.14-.48-.27-1.58-.75-1.77-1.4-.53-1.78 2.4-2.8 3.28-3.4 4.63-3.05 4.4-3.47 9.47-5.8 1.5-.68 3.12-.6 4.54-1.5 2.35-1.34 4.43-3.08 6.7-4.56 1.5-1 3.67-2.03 5.03-3.28-.48-1.1-.67-.9-1.52-1.76-.03-.43-.2-.72-.12-1.26-.63-.88-1.92-.78-2.78-1-2.95-.8-5.94-1.53-8.83-2.54-2.04.83-2.2.33-4.28 1-.67.23-1.2.85-1.9.9-.58.04-1.07-.5-1.64-.64-2.75.66-5.28 1.54-8.08 2.15-.35.15-.33.67-.5 1-.42-.07-.62-.38-1-.5-.67.04-1.27 0-1.77-.12V37.7c1.34-.08 2.5.02 3.27.5 2.73-.63 5.22-1.5 7.83-2.26 1.28-1.33 1.58-.62 3.28-1.26.48-.57-.7-.32-.38-1.14 2.62-.43 3.37-1.1 6.08-.93 3.7.3 5.82 1.2 9.44 1.9 2.8.5 5.65.9 8.45 1.4.3-1.2-1.15-2-1.9-2.5-2.83-2-5.7-3.9-8.57-5.9-3.27-2.2-6.45-4.4-9.6-6.4-.46.3-.92.5-1.75.4-.42 0-.53-.4-.63-.8-2.77.26-5.27.3-8.2.5-.44.4-.38 1.24-.76 1.66-.47.07-.16-.6-.5-.64-.5-.63-1.48-.7-2.15-1.15 0-.64.2-1.06.6-1.4.4-.1 2.2.5 2.4.9 2.2-.15 6.6-.85 8-.75.4-.08.3-.6.5-.9.6-.27 1.3-.17 2-.27 2.7-.4 5.7-1.2 8.4-.37.1.4.3.87.2 1.5-.7.17-1.6.1-1.7.9 5 2.5 9.95 5.1 14.77 7.8 2.5.1 5.44-1.54 7.95-1.13.43-.1.73-.4 1.1-.6 2.1-.14 4.1-1 6.43-.5.56.43.6 1.68.4 2.5-1.37 1.14-4.77.96-4.8 3.05.65.1 2.16-.6 2.8-.8l.22-.27c4.2-.84 7 1.2 10.96 3 .15.7.06 1.57.27 2.16 2.16-.43 3.86-2.2 6.1-2.3 1.26 0 2.5 1.7 1.44 2.7-.72.7-1.9.86-2.5 1.77.05.6.45.9.4 1.6.43.06.8.18 1.37.1.98 1.5 3.5 1.86 2.98 4.44.6.66 2.15.9 2.9 1.16 3.3 1.05 6.56 2.14 9.83 3.25.94.33 2.55 1.17 3.65.76 1.54-.5 1.46-2 3.53-1.4-.05.6.37 1.4 0 1.9 0 .5.8.2.64.9.17.4-.25.3-.4.5-.56.8-1.1 1.7-1.6 2.5-2.1.37-1.76 1.1-3.8 1.78 0 .58.66.5.66 1-.1.6.2 1.47-.1 1.8-.4.17-.8-.14-1.2-.3-.35-.13-.6-.46-1-.6-.75-.2-1.26.25-2-.1-.16-1.1.46-1.3.74-1.9.6.1 1.53-.2 1.9.1.3-.3.6-.6.8-.96 1.5-2.5-3.9-2.68-4.7-2.85-6.92-1.5-11.9-2.8-18.67-4.9-.1.14.16.3.3.4.84.7 1.57 1.6 2.6 1.97.6.1.83-.17 1.25-.26 4.1 3.7 8.5 7 12.8 10.5 1.5 1.27 3.03 2.5 4.52 3.8.37.3.84.6 1 1-.3.8-.4 1.7-1 2.2-.04.2.06.53 0 .73 0 .1-.22.1-.25.2-.26.62-1.04 1.6-1.9 1.8-.06.6-.2 1.2-.5 1.6-.53 0-1.03.58-1.5.26-1.2 1.2-2.1 2.7-2.65 4.3.22 1.37 1.85 1.7.1 3.13-.35.1-.4-.33-.5-.5-.44-.5-.85-1.1-1.4-1.5h-1.4c.18-.72.57-1.25 1.14-1.62.54 0 1.2-.1 1.24.4.6-.74 2.16-3.8 2.4-4.56.2-.44-.1-.3-.14-.75-.4-1 .3-1.96 1-2.14-.2-.5.3-1.1.2-1.65-.13-.4-.55-.62-.9-.9-1.6-1.1-3.25-2.2-4.9-3.25-3.36-2.2-6.75-4.3-10.1-6.45-.55.1-.44.84-.9 1-3 .2-4.8-1.06-6.8 1.3-2.53-.08-2.5-.2-4.92-.77-.4-.7-.8-1.45-1.25-2.15.2-2.1.3-2 .86-4.02-1.3.7-2.1 1.9-3.25 2.8-.32-.2-.82-.2-1.12-.4-6.77 2.6-13.9 5.1-20.9 7.8-1 .4-1.9.65-2.62 1.5-5.6 1.5-5.42 2.06-11.1 3.3-1 .2-3.24.2-4.2-.4z"/>
    </svg>

  </div>



  <div data-fullscreen class=fullScreen-2>

    <h2>Tie Fighter silhouette</h2>

    <svg class="svg-tieFighter" viewBox="0 0 60 60">
      <path d="M60 50.1l-.7.3-5.5-1.5-2.5-7.8-.2-1.3-1-2.6-.3-2-.6-1.3-1.5-5.8H46a18 18 0 01-4.9 3l-.4-.3c.1.4 0 .5-.3.4a8 8 0 00-3.1 2.3c-.2 1.3-.7 2.1-1.6 2.7l-2.9 1.5c-1 .3-2.3.4-4 .1l-2-.5-2.8-2h-2.7l-.2.1H17l-1.5-.5-2.1.4-.3.2 2.8 22.2a8.6 8.6 0 01-4.2 2.3L10 56.8 6 44l-.5-2.7-1.7-5.8c0-1.1-.2-2.1-.6-3v-1l-.4-1.1-.3-3.7-.4-1.3V25l-.8-5.9-.2-.2v-1.3l-1-5.1L0 9.2c2.6.3 4.7 1 6.2 2.3l1.3 2.6L9.1 19v.8l.3.7L12 30.8c.9.1 1.6 0 2.2-.3a9 9 0 015-3.2l.5.2.7-1a7 7 0 003-2l1.5-2.2 2.2-.5c-.1-.5 0-.8.3-1l2-.1c.2.3.5.5 1.2.3.2-.3.6-.3 1.3-.1l3.8 2 3 .4.4.3.3-.3h3.2l1 .1.7.6 2.4-1-.2-.2-.6-5.2-.3-1-.2-2.5-.4-1.3v-1l-.6-2.5-.7-5.5L47.3 0l.6.3L56.2 24l2 14 .5 2.4v1.3L59 43v1.3l.5 2.4.2 2.2.2.2v1.1z"></path>
    </svg>
  </div>
</div>

<p>May be used on any object: image, video, div&hellip;</p>

<p>Code presented here places the button inside of the object, but it's not a requirement, though it may be advisable for accessibility requirements (untested).</p>

<h2>More info</h2>

<ul>
  
  <li>Alternate example: <a target=_blank title="[new window]" href="https://codepen.io/2kool2/pen/QWWWEmY?editors=1000">Andy Warhol looks a scream&hellip;</a></li>

  <li>MDN: <a target=_blank title="[new window]" href="https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API/Guide">Guide to the Fullscreen API</a></li>

  <li>David Walsh: <a target=_blank title="[new window]" href="https://davidwalsh.name/fullscreen">Fullscreen API</a></li>

  <li>Craig Buckler: <a target=_blank title="[new window]" href="https://www.sitepoint.com/use-html5-full-screen-api/">How to Use the HTML5 Full-Screen API</a></li>

  <li>Useful Angle: <a target=_blank title="[new window]" href="http://usefulangle.com/post/12/javascript-going-fullscreen-is-rare">How to Make the Window Full Screen with JS</a></li>

</ul>


    <svg style=display:none>
      <!-- Icons adapted from those made by https://www.flaticon.com/authors/freepik off https://www.flaticon.com/ -->
      <symbol id="icon-fullScreen-open" viewBox="0 0 96 96">
        <path d="M0 62l12 12 19-19 10 10-19 19 12 12H0V62zm96 34H62l12-12-19-19 10-10 19 19 12-12v34zM34 0L22 12l19 19-10 10-19-19L0 34V0h34zm62 0v34L84 22 65 41 55 31l19-19L62 0h34H0h96z"/>
      </symbol>
      <symbol id="icon-fullScreen-exit" viewBox="0 0 96 96">
        <path d="M96 60L82 74l14 13-8 9-14-14-14 14V60h36zm-60 0v36L22 82 8 96l-8-9 14-13L0 60h36zM0 36h36V0L22 14 9 0 0 9l14 13L0 36zm60 0h36L82 22 96 9l-9-9-13 14L60 0v36z"/>
      </symbol>
    </svg>


<!--  Footer include -->
[[[https://codepen.io/2kool2/pen/mKeeGM]]]
              
            
!

CSS

              
                :root {
  --textColor: #3b2d4a;
  --bgColor: #fffffa;
  --borderColorBtn: #000;
  --shadowColor: rgba(0,0,0,.25);
  --bgColorFS: #c7d7f7;
  --shadowColorFS: rgba(0,0,0,.5);
  --linkColor: blue;
  --linkColorHover: #000;
  --textWeight: 400;
}
/* If the OS has dark mode set then... */
/*  - change light <--> dark for testing */
@media (prefers-color-scheme: dark) {
  :root {
    --textColor: #fff;
    --bgColor: #000;
    --borderColorBtn: #777;
    --shadowColor: rgba(0,0,0,.5);
    --bgColorFS: #3b2d4a;
    --shadowColorFS: #000;
    --linkColor: hsla(214,100%,72%,1);
    --linkColorHover: #fff;
    --textWeight: 300;
  }
}

html {box-sizing: border-box;}
*,
*::before,
*::after {box-sizing: inherit;}
body {
  margin: 1rem;
  font-family: sans-serif;
  font-weight: var(--textWeight);
  text-rendering: optimizeLegibility;
  line-height: 1.5;
  color: var(--textColor);
  text-align: center;
  background-color: var(--bgColor);
}
h1 {
  font-size: 1.5rem;
  line-height: 1.2;
  font-weight: 300;
  margin: 1.5rem 0 1rem;
}
h2 {
  font-size: calc(1.25rem + ((1vw - 0.48rem) * 0.6944));
  line-height: 1.2;
  font-weight: 300;
  margin: 1rem 0 0;
}
p + h2 {
  font-size: 1.25rem;
  margin: 2rem 0 1rem;
}
ul {
  list-style: none;
  text-align: left;
  max-width: 30rem;
  margin: 1rem auto;
}
a,
a:visited {
  color: var(--linkColor);
  text-decoration-color: hsla(211,100%,72%,.5);
  transition: all .3s;
}
a:hover,
a:active {
  color: var(--linkColorHover);
  text-decoration-color: var(--linkColorHover);
}

.wrapper {
  max-width: 24rem;
  margin: 2rem auto;
}


[class^="fullScreen-"] {
  margin: 2rem 0;
  padding: 1rem;
  box-shadow: 0 .125rem .25rem var(--shadowColorFS);
  position: relative;
  background-color: var(--bgColorFS) 
}
[class^="fullScreen-"]:-webkit-full-screen {
  width: 100%;
  height: 100%;
}

/* Button added by JS, if supported */

[class^="fullScreen_btn"]::-moz-focus-inner {
  border: 0;
}
[class^="fullScreen_btn"] {
  position: absolute;
  padding: .5rem;
  background-color: var(--bgColorFS);
  border: .125rem solid var(--borderColorBtn);
  border-radius: .24rem;
  box-shadow: 0 .125rem .25rem var(--shadowColor);
  top: .5rem;
  left: .5rem;
  z-index: 2;
  color: var(--linkColor);
  font-size: inherit;
  cursor: pointer;
  transition: all .3s;
}
[class^="fullScreen_btn"]:hover {
  color: var(--textColor);
}
[class^="fullScreen_btn"]:focus {
  border-color: var(--linkColor);
  outline: none;
}
.fullScreen_btn-open {
  transform: translate(-30%, -30%);
}
.fullScreen_btn-open:hover,
.fullScreen_btn-open:focus {
  box-shadow: 0 .25rem .5rem #000;
  transform: scale(1.2) translate(-25%, -25%);
}
.fullScreen_btn-exit {
  transform: scale(1.2) translate(25%, 25%);
}
.fullScreen_btn-exit:hover,
.fullScreen_btn-exit:focus {
  transform: scale(1) translate(25%, 25%);
}

[class^="fullScreen_svg"] {
  display: block;
  width: 1.75rem;
  height: 1.75rem;
  fill: currentColor;
  transition: fill .3s;
}
.fullScreen_svg-open {}
.fullScreen_svg-exit {}



.svg-xWing,
.svg-tieFighter {
  max-width: 100vw;
  max-height: 100vh;
  fill: currentColor;
  filter: drop-shadow(.25vw .25vw .25vw rgba(0,0,0,.75));
}

/* a wee drop of the grain */
body,
[class^="fullScreen-"] {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg width='1200' height='256' viewBox='0 0 1200 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.4'%3E%3C/feTurbulence%3E%3C/filter%3E%3C/defs%3E%3Crect height='256' width='1200' filter='url(%23noise)' opacity='.3'/%3E%3C/svg%3E");
}

              
            
!

JS

              
                var supportsES6 = function() {
  // https://gist.github.com/bendc/d7f3dbc83d0f65ca0433caf90378cd95
  try {
    new Function("(a = 0) => a");
    return true;
  }
  catch (err) {
    return false;
  }
}();


// Add a full-screen toggle button where supported.
// Version 2.5 07/10/2019
// - Adding cross-browser support using prefixes.


function launchFullWindow(config) {

  "use strict";
  if (!supportsES6) return false;

  // Exit if unsupported
  if (!(
    document.fullscreenEnabled || 
	  document.webkitFullscreenEnabled || 
	  document.mozFullScreenEnabled ||
	  document.msFullscreenEnabled)) return false;

  let cfg = {
    launchObjSelect : '[data-fullScreen]',
    launchBtnClass : 'fullScreen_btn',
    svgClass : 'fullScreen_svg',
    open : {
      icon : 'icon-fullScreen-open',
      extension : '-open',
      label : 'Launch into full screen',
      title : 'Full screen [f, f11]'
    },
    exit : {
      icon : 'icon-fullScreen-exit',
      extension : '-exit',
      label : 'Exit full screen',
      title : 'Exit full screen [f, f11, esc]'
    }
  };

  // Blend the parameter config into the default cfg
  Object.assign(cfg, config);

  const svgData = {
    open : {},
    exit : {}   
  }


  // Get symbols from the SVG definitions in the HTML
  const setSvgData = (_ => {

    const getData = param => {
      const symbol = document.getElementById(cfg[param].icon);
      if (!symbol) return false;
      svgData[param].class = cfg.svgClass;
      svgData[param].icon = cfg[param].icon;
      svgData[param].symbol = symbol.innerHTML;
      svgData[param].viewBox = symbol.getAttribute('viewBox');
    };

    getData('open');
    getData('exit');
  })();


  const _openFullScreen = obj => {
    if (obj.requestFullscreen) {
      obj.requestFullscreen();
    } else if (obj.webkitRequestFullscreen) {
      obj.webkitRequestFullscreen();
    } else if (obj.mozRequestFullScreen) {
      obj.mozRequestFullScreen();
    } else if (obj.msRequestFullscreen) {
      obj.msRequestFullscreen();
    }
  };


  const _exitFullScreen = _ => {
    if (document.exitFullscreen) {
      document.exitFullscreen();
    } else if (document.webkitExitFullscreen) {
      document.webkitExitFullscreen();
    } else if (document.mozCancelFullScreen) {
      document.mozCancelFullScreen();
    } else if (document.msExitFullscreen) {
      document.msExitFullscreen();
    }
  };


  const _hasFullScreenElement = _ =>
    document.fullscreenElement ||
    document.webkitFullscreenElement ||
    document.mozFullScreenElement ||
    document.msFullscreenElement;


  const _instantiateLaunchObj = launchObj => {

    const _getCfg = (param, toOpen) => cfg[toOpen ? 'open' : 'exit'][param];

    const _getSvgString = toOpen => {
      const param = _getCfg('extension', toOpen).substr(1);
      return `<svg class="${svgData[param].class}" aria-hidden="true" viewbox="${svgData[param].viewBox}">${svgData[param].symbol}</svg>`;
    }

    const _setBtnAttr = toOpen => {
      btn.className = cfg.launchBtnClass + _getCfg('extension', toOpen);
      btn.title = _getCfg('title', toOpen);
      btn.setAttribute('aria-label', _getCfg('label', toOpen));
      btn.innerHTML = _getSvgString(toOpen);
    }

    // Check to see if a button already exists in the html
    let btn = launchObj.querySelector('.' + cfg.launchBtnClass);
    if (!btn) {

      // If not, create one
      btn = document.createElement('button');
      launchObj.prepend(btn);
    }
    _setBtnAttr(true);


    const _toggleFullScreen = _ => {
      if (!_hasFullScreenElement()) {
        _openFullScreen(launchObj);
      } else {
        _exitFullScreen();
      }
      btn.focus();
    };


    const _onFullscreenChange = _ => 
      _setBtnAttr(!_hasFullScreenElement());


    {
      btn.addEventListener('click', _toggleFullScreen);

      // Toggle attr this way because esc key is not detected but change is!
    document.addEventListener('fullscreenchange', _onFullscreenChange);
    document.addEventListener('mozfullscreenchange', _onFullscreenChange);
    document.addEventListener('webkitfullscreenchange', _onFullscreenChange);
    document.addEventListener("MSFullscreenChange", _onFullscreenChange);

      // Toggle if the f, or f11, key is pressed
      document.addEventListener('keydown', event => {
        if (event.keyCode === 70 || event.keyCode === 112) {
          _toggleFullScreen();
        }
      });
    }
    
  }

  // Multiple objects to launch
  const objs = document.querySelectorAll(cfg.launchObjSelect);
  for (const obj of objs) {
    _instantiateLaunchObj(obj);
  }

}

// Attaches to any object with data-fullScreen attribute by default.
// Pass in a customised config to overide default settings.
launchFullWindow();

// Specific object(s) by selector
// launchFullWindow( {launchObjSelect : '.fullScreen-3'} );







// (function (window, document) {

//   "use strict";
//   if (!supportsES6) return false;
  
//   // Exit if unsupported
//   if (!(
//     document.fullscreenEnabled || 
// 	  document.webkitFullscreenEnabled || 
// 	  document.mozFullScreenEnabled ||
// 	  document.msFullscreenEnabled)) return false;

//   const cfg = {
//     launchObjId : 'fullScreen',
//     launchBtnClass : 'fullScreen_btn',
//     icon : '#icon-fullScreen',
//     svgClass : 'fullScreen_svg',
//     open : {
//       extension : '-open',
//       label : 'Launch into full screen',
//       title : 'Full screen (f)'
//     },
//     exit : {
//       extension : '-exit',
//       label : 'Exit full screen',
//       title : 'Exit full screen (f)'
//     }
//   };


//   const launchObj = document.getElementById(cfg.launchObjId);
//   if (!launchObj) return false;


//   const _getCfg = (param, toOpen) =>
//     cfg[toOpen ? 'open' : 'exit'][param];


//   const _getSvgString = toOpen => {
//     const ext = _getCfg('extension', toOpen);
//     return `<svg class="${cfg.svgClass + ext}" aria-hidden="true"><use xlink:href="${cfg.icon + ext}" /></svg>`;
//   };

//   const _setBtnAttr = toOpen => {
//     btn.className = cfg.launchBtnClass + _getCfg('extension', toOpen);
//     btn.title = _getCfg('title', toOpen);
//     btn.setAttribute('aria-label', _getCfg('label', toOpen));
//     btn.innerHTML = _getSvgString(toOpen);
//   };


//   let btn;
//   if (!launchObj.querySelector('.' + cfg.launchBtnClass)) {
//     btn = document.createElement('button');
//     _setBtnAttr(true);
//     launchObj.prepend(btn);
//   }



//   const _openFullScreen = obj => {
//     if (obj.requestFullscreen) {
//       obj.requestFullscreen();
//     } else if (obj.webkitRequestFullscreen) {
//       obj.webkitRequestFullscreen();
//     } else if (obj.mozRequestFullScreen) {
//       obj.mozRequestFullScreen();
//     } else if (obj.msRequestFullscreen) {
//       obj.msRequestFullscreen();
//     }
//   };


//   const _exitFullScreen = _ => {
//     if (document.exitFullscreen) {
//       document.exitFullscreen();
//     } else if (document.webkitExitFullscreen) {
//       document.webkitExitFullscreen();
//     } else if (document.mozCancelFullScreen) {
//       document.mozCancelFullScreen();
//     } else if (document.msExitFullscreen) {
//       document.msExitFullscreen();
//     }
//   };


//   const _hasFullScreenElement = _ =>
//     document.fullscreenElement ||
//     document.webkitFullscreenElement ||
//     document.mozFullScreenElement ||
//     document.msFullscreenElement;


//   const _toggleFullScreen = _ => {
//     if (!_hasFullScreenElement()) {
//       _openFullScreen(launchObj);
//     } else {
//       _exitFullScreen();
//     }
//     btn.focus();
//   };


//   const _onFullscreenChange = _ => 
//     _setBtnAttr(!_hasFullScreenElement());



//   {
//     btn.addEventListener('click', _toggleFullScreen);

//     document.addEventListener('fullscreenchange', _onFullscreenChange);
//     document.addEventListener('mozfullscreenchange', _onFullscreenChange);
//     document.addEventListener('webkitfullscreenchange', _onFullscreenChange);
//     document.addEventListener("MSFullscreenChange", _onFullscreenChange);

//     // Also toggle if the f key or f11 is pressed
//     document.addEventListener('keydown', event => {
//       if (event.keyCode === 70 || event.keyCode === 122) {
//         _toggleFullScreen();
//       }
//     });

//   };

// }(window, document));
              
            
!
999px

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