一天一个js（11）转码

[html]
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>js中的转码解码</title>
<style>
/*reset*/
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;}
ol,ul{list-style:none;}
caption,th{text-align:left;}
h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal;}
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;}
input,textarea,select{*font-size:100%;}
input:focus,textarea:focus,select:focus{ outline:none;}
select,input {vertical-align:middle;}
legend{color:#000;}
.clean:before,.clean:after,.clearfix:before,.clearfix:after{content:"";display:table;}
.clean:after,.clearfix:after{clear:both;}
.clean,.clearfix{zoom:1;}
.clear{clear:both;}
.fl{float:left;}
.fr{float:right;}
.break{word-wrap:break-word;width:inherit;}
.linkhidden {text-indent:-9999em;overflow:hidden;}
.hidden {display:none;}
/*reset*/
body { background:url(http://webapp.bdimg.com/static/11281511/appweb/images/new_index/bg.png);}
.main { margin:20px auto; padding:20px 0; width:960px; background:url(http://2uncd.sinaapp.com/images/bodybg.png); border-radius:10px; box-shadow:2px 5px 7px #ccc;}
h1 { font:30px/50px "microsoft yahei"; color:#069; text-align:center; text-shadow:2px 2px 2px #006666;}
textarea { display:block; margin:20px auto; padding:10px; width:80%; height:200px; border:1px solid #eee; border-radius:5px; box-shadow:2px 5px 5px #ccc; resize:vertical;}
.box { margin:10px auto; width:50%;}
.box label { padding:0 20px; width:150px; font:12px/28px Arial, simsun; text-align:right;}
.box input { margin:0 15px 0 0; padding:0 5px; height:26px; border:1px solid #2A77FF; border-radius:4px; background:-webkit-gradient(linear, 0 0, 0 100%, from(#008EEA), to(#0080D3)); background:-moz-linear-gradient(top, #008EEA,#0080D3); box-shadow:2px 4px 4px #999999; font-size:12px; color:#FFF; cursor:pointer;}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.3/jquery.min.js"></script>
<script>
$(function(){
    $("input").click(function(){
        var fun = $(this).data().type;
                $txt = $("#txt");
                str = $txt.val();
        function dispose(str){
            switch(fun){
                case "escape":
                    return escape(str);
                    break;
                case "unescape":
                    return unescape(str);
                    break;
                case "encodeURI":
                    return encodeURI(str);
                    break;
                case "decodeURI":
                    return decodeURI(str);
                    break;
                case "encodeURIComponent":
                    return encodeURIComponent(str);
                    break;
                case "decodeURIComponent":
                    return decodeURIComponent(str);
                    break;
                case "unicode":
                    return decodeURIComponent(escape(str).toLocaleLowerCase().replace(/%u/gi, '\\u'));//转码、转小写、正则替换"%"、decodeURIComponent解码
                    break;
                case "deunicode":
                    return unescape(str.replace(/\\u/gi, '%u'));//正则替换"\"、解码
                    break;
                default:
                    break;
            };
        };
        $txt.val(dispose(str));
    });
});
</script>
</head>

<body>
<div class="main">
    <h1>JS常用转码大全</h1>
    <textarea id="txt"></textarea>
    <div class="box clearfix">
     &nb

补充：web前端 , JavaScript ,