Posted in Javascript onJuly 30, 2015
下面一段代码就是用js实现的随机颜色的小方块，不多说了代码很简单，直接上代码了。
/**/js注释已删
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF- ">
<meta charset="utf- ">
<title>koringz</title>
<link rel="stylesheet" href="css/demo.css">
</head>
<body>
<div class="container">
<div class="main">
<div class="colorful"></div>
</div>
</div>
</body>
</html>
* {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
html {
font-size: px;
-webkit-tap-highlight-color: transparent;
}
body {
margin: ;
padding: ;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
font-size: px;
line-height: . ;
color: # ;
background-color: rgba( , , , . );
}
.container {
overflow: visible;
}
.main {
position: relative;
width: %;
height: px;
margin:auto;
}
.colorful {
overflow: visible;
width: %;
height: %;
}
.colorful > a {
float: left;
display: block;
width: px;
height: px;
zoom: ;
}
.colorful > a:hover {
-webkit-animation:infinite s ease-in-out start-roll;
-moz-animation:infinite s ease-in-out start-roll;
animation:infinite s ease-in-out start-roll;
}
@-webkit-keyframes start-roll{
% {
-webkit-transform: rotate( deg); /*chrome*/
-moz-transform: rotate( deg); /*火狐*/
-ms-transform: rotate( deg); /*IE*/
transform: rotate( deg);
-webkit-transition: opacity . s linear;
transition: opacity . s linear;
opacity: . ;
filter: alpha(opacity= );
zoom: ;
}
% {
-webkit-transform: rotate( deg); /*chrome*/
-moz-transform: rotate( deg); /*火狐*/
-ms-transform: rotate( deg); /*IE*/
transform: rotate( deg);
-webkit-transition: opacity s linear;
transition: opacity s linear;
opacity: ;
filter: alpha(opacity= );
zoom: ;
}
% {
-webkit-transform: rotate( deg); /*chrome*/
-moz-transform: rotate( deg); /*火狐*/
-ms-transform: rotate( deg); /*IE*/
transform: rotate( deg);
-webkit-transition: opacity . s linear;
transition: opacity . s linear;
opacity: . ;
filter: alpha(opacity= );
zoom: ;
}
}
@-moz-keyframes start-roll{
% {
-webkit-transform: rotate( deg); /*chrome*/
-moz-transform: rotate( deg); /*火狐*/
-ms-transform: rotate( deg); /*IE*/
transform: rotate( deg);
-webkit-transition: opacity . s linear;
transition: opacity . s linear;
opacity: . ;
filter: alpha(opacity= );
}
% {
-webkit-transform: rotate( deg); /*chrome*/
-moz-transform: rotate( deg); /*火狐*/
-ms-transform: rotate( deg); /*IE*/
transform: rotate( deg);
-webkit-transition: opacity s linear;
transition: opacity s linear;
opacity: . ;
filter: alpha(opacity= );
}
% {
-webkit-transform: rotate( deg); /*chrome*/
-moz-transform: rotate( deg); /*火狐*/
-ms-transform: rotate( deg); /*IE*/
transform: rotate( deg);
-webkit-transition: opacity . s linear;
transition: opacity . s linear;
opacity: . ;
filter: alpha(opacity= );
}
}
@keyframes start-roll{
% {
-webkit-transform: rotate( deg); /*chrome*/
-moz-transform: rotate( deg); /*火狐*/
-ms-transform: rotate( deg); /*IE*/
transform: rotate( deg);
-webkit-transition: opacity . s linear;
transition: opacity . s linear;
opacity: . ;
filter: alpha(opacity= );
}
% {
-webkit-transform: rotate( deg); /*chrome*/
-moz-transform: rotate( deg); /*火狐*/
-ms-transform: rotate( deg); /*IE*/
transform: rotate( deg);
-webkit-transition: opacity s linear;
transition: opacity s linear;
opacity: . ;
filter: alpha(opacity= );
}
% {
-webkit-transform: rotate( deg); /*chrome*/
-moz-transform: rotate( deg); /*火狐*/
-ms-transform: rotate( deg); /*IE*/
transform: rotate( deg);
-webkit-transition: opacity . s linear;
transition: opacity . s linear;
opacity: . ;
filter: alpha(opacity= );
}
}
(function (window) {
var document = window.document;
function on(elem, evtnm, eventhd) {
var onevtnm = 'on' + evtnm;
elem[onevtnm] = eventhd;
}
function grc() {
var val = [], i = ;
while (++i <= ) {
val.push(Math.floor(Math.random() * ));
}
return 'rgb(' + val.join() + ')';
}
function fbc() {
var el = document.querySelectorAll('.colorful')[ ],
total = Math.floor(el.offsetWidth / ) * Math.floor(el.offsetHeight / ),
df = document.createDocumentFragment(),
a;
while (total-- > ) {
a = document.createElement('a');
a.style.backgroundColor = grc();
df.appendChild(a);
}
el.appendChild(df);
}
on(window, 'load', function () {
fbc();
});
})(window)
以上代码就是用js实现随机颜色小方块的全部内容，需要的朋友可以来参考下。
js代码实现随机颜色的小方块
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