js implements printing a colored diamond (code)-JS Tutorial-php.cn

js implements printing a colored diamond (code)

不言

Release： 2018-08-16 10:51:42

Original

1973 people have browsed it

The content of this article is about the js implementation of printing a colored diamond (code). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

<!DOCTYPE html>
<html>
<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>
    <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(&#39;<p>');
                for (var j = 1; j <= i; j++) {
                    document.write(&#39;<span style="color:&#39; + cl() + &#39;">*</span>');
                }
                document.write('</p>');
            }
            for (var i = num; i >= 1; i -= 2) {
                document.write('<p>');
                for (var j = 1; j <= i; j++) {
                    document.write(&#39;<span style="color:&#39; + cl() + &#39;">*</span>');
                }
                document.write('</p>');
            }
        }

        ling(15);
    </script>
</div>
</body>
</html>

Copy after login

Related recommendations:

How to implement lazy loading of images in js? js method code to implement delayed loading of images

js time conversion: timestamp to time string (code)

Verification in js Summary of digital methods

The above is the detailed content of js implements printing a colored diamond (code). For more information, please follow other related articles on the PHP Chinese website!