index.html

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>three.js / examples</title>
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>

			@font-face {
				font-family: 'inconsolata';
				src: url('files/inconsolata.woff') format('woff');
				font-weight: normal;
				font-style: normal;
			}

			* {
				box-sizing: border-box;
			}

			html {
				height: 100%;
			}

			body {
				background-color: #ffffff;
				margin: 0px;
				height: 100%;
				color: #555;
				font-family: 'inconsolata';
				font-size: 15px;
				line-height: 18px;
				overflow: hidden;
			}

			h1 {
				margin-top: 30px;
				margin-bottom: 40px;
				margin-left: 20px;
				font-size: 25px;
				font-weight: normal;
			}

			h2 {
				font-size: 20px;
				font-weight: normal;
			}

			a {
				color: #2194CE;
				text-decoration: none;
			}

			#panel {
				position: fixed;
				left: 0px;
				width: 310px;
				height: 100%;
				overflow: auto;
				background: #fafafa;
			}

				#panel #content {
					padding: 0px 20px 20px 20px;
				}

				#panel #content .link {
					color: #2194CE;
					text-decoration: none;
					cursor: pointer;
					display: block;
				}

				#panel #content .selected {
					color: #ff0000;
				}

					#panel #content .link:hover {
						text-decoration: underline;
					}

			#viewer {
				position: absolute;
				border: 0px;
				left: 310px;
				width: calc(100% - 310px);
				height: 100%;
				overflow: auto;
			}

			#button {
				position: fixed;
				bottom: 20px;
				right: 20px;
				padding: 8px;
				color: #fff;
				background-color: #555;
				opacity: 0.7;
			}

				#button:hover {
					cursor: pointer;
					opacity: 1;
				}

			/* mobile */

			#expandButton {
				display: none;
				position: absolute;
				right: 20px;
				top: 12px;
				width: 32px;
				height: 32px;
			}

				#expandButton span {
					height: 2px;
					background-color: #2194CE;
					width: 16px;
					position: absolute;
					left: 8px;
					top: 10px;
				}

				#expandButton span:nth-child(1) {
					top: 16px;
				}

				#expandButton span:nth-child(2) {
					top: 22px;
				}

			@media all and ( max-width: 640px ) {
				h1{
					margin-top: 20px;
					margin-bottom: 20px;
				}
				#panel{
					position: absolute;
					left: 0;
					top: 0;
					height: 480px;
					width: 100%;
					right: 0;
					z-index: 100;
					overflow: hidden;
					border-bottom: 1px solid #dedede;
				}
				#content{
					position: absolute;
					left: 0;
					top: 60px;
					right: 0;
					bottom: 0;
					font-size: 17px;
					line-height: 22px;
					overflow: auto;
				}
				#viewer{
					position: absolute;
					left: 0;
					top: 56px;
					width: 100%;
					height: calc(100% - 56px);
				}
				#expandButton{
					display: block;
				}
				#panel.collapsed{
					height: 56px;
				}
			}

		</style>
	</head>
	<body>

		<div id="panel" class="collapsed">
			<h1><a href="http://threejs.org">three.js</a> / examples</h1>
			<a id="expandButton" href="#">
				<span></span>
				<span></span>
				<span></span>
			</a>
			<div id="content"></div>
		</div>
		<iframe id="viewer" allowfullscreen onmousewheel=""></iframe>

		<script src="files.js"></script>
		<script>

		var panel = document.getElementById( 'panel' );
		var content = document.getElementById( 'content' );
		var viewer = document.getElementById( 'viewer' );

		var expandButton = document.getElementById( 'expandButton' );
		expandButton.addEventListener( 'click', function ( event ) {
			panel.classList.toggle( 'collapsed' );
			event.preventDefault();
		} );

		// iOS8 workaround

		if ( /(iPad|iPhone|iPod)/g.test( navigator.userAgent ) ) {

			viewer.addEventListener( 'load', function ( event ) {

				viewer.contentWindow.innerWidth -= 10;
				viewer.contentWindow.innerHeight -= 2;

			} );

		}

		var container = document.createElement( 'div' );
		content.appendChild( container );

		var button = document.createElement( 'div' );
		button.id = 'button';
		button.textContent = 'View source';
		button.addEventListener( 'click', function ( event ) {

			var array = location.href.split( '/' );
			array.pop();

			window.open( 'view-source:' + array.join( '/' ) + '/' + selected + '.html' );

		}, false );
		button.style.display = 'none';
		document.body.appendChild( button );

		var links = {};
		var selected = null;

		for ( var key in files ) {

			var section = files[ key ];

			var div = document.createElement( 'h2' );
			div.textContent = key;
			container.appendChild( div );

			for ( var i = 0; i < section.length; i ++ ) {

				( function ( file ) {

					var name = file.split( '_' );
					name.shift();
					name = name.join( ' / ' );

					var link = document.createElement( 'a' );
					link.className = 'link';
					link.textContent = name;
					link.href = "#" + file;
					link.addEventListener( 'click', function ( event ) {

						if ( event.button === 0 ) {

							event.preventDefault();

							panel.classList.toggle( 'collapsed' );
							load( file );

						}

					} );
					container.appendChild( link );

					links[ file ] = link;

				} )( section[ i ] );

			}

		}

		var load = function ( file ) {

			if ( selected !== null ) links[ selected ].className = 'link';

			links[ file ].className = 'link selected';

			window.location.hash = file;
			viewer.src = file + '.html';
			viewer.focus();

			button.style.display = '';

			selected = file;

		};

		if ( window.location.hash !== '' ) {

			load( window.location.hash.substring( 1 ) );

		}

		</script>

	</body>
</html>