1.base64加密：
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>base64加密</title>
<script type="text/javascript" src="base64.js"></script>
<script type="text/javascript">
var b = new Base64();
var str = b.encode("admin:admin");
alert("base64 encode:" + str);
//解密
str = b.decode(str);
alert("base64 decode:" + str);
</script>
</head>
<body>
</body>
</html>
2.md5加密：
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>md5加密</title>
<script type="text/ecmascript" src="md5.js"></script>
<script type="text/javascript">
var hash = hex_md5("123dafd");
alert(hash)
</script>
</head>
<body>
</body>
</html>
3.sha1加密：
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>sha1加密</title>
<script type="text/ecmascript" src="sha1.js"></script>
<script type="text/javascript">
var sha = hex_sha1('mima123465')
alert(sha)
</script>
</head>
<body>
</body>
</html>
嗯，就酱~
参考：https://www.cnblogs.com/yangguoe/p/9895488.html