分类:
JS
index.html
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="description" content="A Christmas tree built out of form elements." /> <meta name="author" content="Hakim El Hattab" /> <meta http-equiv="X-UA-Compatible" content="chrome=1"> <title>圣诞树</title> <link href="css/domtree.css" rel="stylesheet" media="screen" /> <link href='https://fonts.googleapis.com/css?family=Armata' rel='stylesheet' type='text/css'> </head> <body> <div></div> <script src="js/domtree.js"></script> <script> var _gaq = [['_setAccount', 'UA-15240703-1'], ['_trackPageview']]; (function(d, t) { var g = d.createElement(t), s = d.getElementsByTagName(t)[0]; g.async = true; g.src = ('https:' == location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; s.parentNode.insertBefore(g, s); })(document, 'script'); </script> </body> </html>
domtree.css
html{color:#000;background:#222222;} a{cursor:pointer;} html,body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,textarea,p,blockquote,th,td{margin:0;padding:0;} table{border-collapse:collapse;border-spacing:0;} fieldset,img{border:0;} address,caption,cite,code,dfn,em,strong,th,var{font-style:normal;font-weight:normal;} li{list-style:none;} caption,th{text-align:left;} /* h1,h2,h3,h4,h5,h6{font-size:100%;} */ q:before,q:after{content:'';} abbr,acronym {border:0;font-variant:normal;} sup {vertical-align:text-top;} sub {vertical-align:text-bottom;} input,textarea,select{font-family:inherit;font-size:inherit;font-weight:inherit;outline-style:none;outline-width:0pt;} legend{color:#000;} a:focus,object,h1,h2,h3,h4,h5,h6{-moz-outline-style: none; border:0px;} /*input[type="Submit"]{cursor:pointer;}*/ strong {font-weight: bold;} body, html { overflow: hidden; font-family: Helvetica, Arial, sans-serif; color: #fff; font-size: 11px; width: 100%; height: 100%; background-image: url(../img/background.jpg); } @keyframes spin { 0% { transform: rotateY( 0deg ); } 100% { transform: rotateY( 360deg ); } } body { perspective: 3000px; perspective-origin: 0 20%; } .tree { margin: 0 auto; position: relative; animation: spin 18s infinite linear; transform-origin: 50% 0; transform-style: preserve-3d; } .tree * { position: absolute; transform-origin: 0 0; }
domtree.js
const width = 500; const height = 600; const quantity = 150; const types = [ 'text', 'select', 'progress', 'meter', 'button', 'radio', 'checkbox' ]; const greetings = [ 'Joyeuses Fêtes','Felices Fiestas','God Jul','Boas Festas','Mutlu Bayramlar','Sarbatori Fericite','Jie Ri Yu Kuai','Bones Festes','Tanoshii kurisumasu wo','Buone Feste','Happy Holidays', 'Ii holide eximnandi','Frohe Feiertage','Prettige feestdagen','Beannachtaí na Féile','Vesele Praznike','Selamat Hari Raya','Sretni praznici' ]; let tree = document.querySelector( '.tree' ), treeRotation = 0; tree.style.width = width + 'px'; tree.style.height = height + 'px'; window.addEventListener( 'resize', resize, false ); // The tree for( var i = 0; i < quantity; i++ ) { let element = null, type = types[ Math.floor( Math.random() * types.length ) ], greeting = greetings[ Math.floor( Math.random() * greetings.length ) ]; let x = width/2, y = Math.round( Math.random() * height ); let rx = 0, ry = Math.random() * 360, rz = -Math.random() * 15; let elemenWidth = 5 + ( ( y / height ) * width / 2 ), elemenHeight = 26; switch( type ) { case 'button': element = document.createElement( 'button' ); element.textContent = greeting; element.style.width = elemenWidth + 'px'; element.style.height = elemenHeight + 'px'; break; case 'progress': element = document.createElement( 'progress' ); element.style.width = elemenWidth + 'px'; element.style.height = elemenHeight + 'px'; if( Math.random() > 0.5 ) { element.setAttribute( 'max', '100' ); element.setAttribute( 'value', Math.round( Math.random() * 100 ) ); } break; case 'select': element = document.createElement( 'select' ); element.setAttribute( 'selected', greeting ); element.innerHTML = '<option>' + greetings.join( '</option><option>' ) + '</option>'; element.style.width = elemenWidth + 'px'; element.style.height = elemenHeight + 'px'; break; case 'meter': element = document.createElement( 'meter' ); element.setAttribute( 'min', '0' ); element.setAttribute( 'max', '100' ); element.setAttribute( 'value', Math.round( Math.random() * 100 ) ); element.style.width = elemenWidth + 'px'; element.style.height = elemenHeight + 'px'; break; case 'text': default: element = document.createElement( 'input' ); element.setAttribute( 'type', 'text' ); element.setAttribute( 'value', greeting ); element.style.width = elemenWidth + 'px'; element.style.height = elemenHeight + 'px'; } element.style.transform = `translate3d(${x}px, ${y}px, 0px) rotateX(${rx}deg) rotateY(${ry}deg) rotateZ(${rz}deg)`; tree.appendChild( element ); } // Let it snow for( var i = 0; i < 200; i++ ) { let element = document.createElement( 'input' ); element.setAttribute( 'type', 'radio' ); let spread = window.innerWidth/2; let x = Math.round( Math.random() * spread ) - ( spread / 4 ), y = Math.round( Math.random() * height ), z = Math.round( Math.random() * spread ) - ( spread / 2 ); let rx = 0, ry = Math.random() * 360, rz = 0; if( Math.random() > 0.5 ) element.setAttribute( 'checked', '' ); element.style.transform = `translate3d(${x}px, ${y}px, ${z}px) rotateX(${rx}deg) rotateY(${ry}deg) rotateZ(${rz}deg)`; tree.appendChild( element ); } function resize() { tree.style.top = ( ( window.innerHeight - height - 100 ) / 2 ) + 'px'; } resize();
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