JS打印彩色菱形的实例代码
时间：2021-02-05 09:27:46|栏目：JavaScript代码|点击： 次
效果图如下所示：
具体代码如下所示：
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>weirdo</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
.lx {
text-align: center;
letter-spacing: 5px;
margin: 20px;
}
</style>
</head>
<body>
<div class="lx">
<script>
function cl() {
var c = '0123456789abcdef';
var cc = '#';
cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
cc += c.charAt(Math.round(Math.random() * (c.length - 1)));
return cc;
}
function ling(num) {
for (var i = 1; i <= num; i += 2) {
document.write('<p class="ling">');
for (var j = 1; j <= i; j++) {
document.write('<span style="color:' + cl() + '">*</span>');
}
document.write('</p>');
}
for (var i = num; i >= 1; i -= 2) {
document.write('<p class="ling">');
for (var j = 1; j <= i; j++) {
document.write('<span style="color:' + cl() + '">*</span>');
}
document.write('</p>');
}
}
ling(15);
</script>
</div>
</body>
</html>
总结
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