标签：style 代码 random element 两百 width 圣诞树 px Math
最近这不是快到圣诞节了嘛，用代码实现圣诞树都卷成啥样了，不行不行，我也加入卷行列。
话不多说，上图！
话不多说，上代码！
<!DOCTYPE html>
<html lang="en">
<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>For HSY</title>
</head>
<body>
<style>
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: #b72424;
background: -moz-radial-gradient(center, ellipse cover, #b72424 0%, #492727 100%);
background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,#b72424), color-stop(100%,#492727));
background: -webkit-radial-gradient(center, ellipse cover, #b72424 0%,#492727 100%);
background: radial-gradient(center, ellipse cover, #b72424 0%,#492727 100%);
}
@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;
}
</style>
<div class="tree"></div>
<script src="js/domtree.js"></script>
<p class="project-title">❤❤❤❤❤</p>
<div class="credits">
<a>2021.12.25</a>
<a>Merry Christmas</a>
</div>
<style type="text/css" media="screen">
.project-title {
position: absolute;
left: 25px;
bottom: 20px;
font-size: 16px;
color: #fff;
}
.credits {
position: absolute;
right: 20px;
bottom: 25px;
font-size: 15px;
z-index: 20;
color: #fff;
vertical-align: middle;
}
.credits * + * {
margin-left: 15px;
}
.credits a {
padding: 8px 10px;
color: rgba(255,255,255,0.7);
border: 2px solid rgba(255,255,255,0.7);
text-decoration: none;
}
.credits a:hover {
border-color: #fff;
color: #fff;
}
@media screen and (max-width: 1040px) {
.project-title {
display: none;
}
.credits {
width: 100%;
left: 0;
right: auto;
bottom: 0;
padding: 30px 0;
background: #b72424;
text-align: center;
}
.credits a {
display: inline-block;
margin-top: 7px;
margin-bottom: 7px;
}
}
</style>
<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');
const width = 500;
const height = 600;
const quantity = 150;
const types = [ 'text', 'select', 'progress', 'meter', 'button', 'radio', 'checkbox' ];
const greetings = [ '知心宝贝','知心宝贝','Merry Christmas','Merry Christmas','Merry Christmas','Merry Christmas','知心宝贝','12月25','知心宝贝','Merry Christmas','Happy Holidays', ' 知心宝贝','12月25','知心宝贝','Merry Christmas','知心宝贝','Merry Christmas','知心宝贝' ];
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();
</script>
</body>
</html>注意：部分代码从网上获取并由我整合，侵权请联系，谢谢观看！
标签：style,代码,random,element,两百,width,圣诞树,px,Math 来源： https://blog.csdn.net/m0_57154890/article/details/122059346
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