decode encode javascript 기능

http://donghunl.tistory.com/entry/JAVASCRIPT-Url-EncodeDecode-%EA%B0%92-%ED%99%95%EC%9D%B8

<script type="text/javascript">

function encode() {

 var obj = document.getElementById('dencoder');

 var unencoded = obj.value;

 obj.value = encodeURIComponent(unencoded);

}

function decode() {

 var obj = document.getElementById('dencoder');

 var encoded = obj.value;

 obj.value = decodeURIComponent(encoded.replace(/\+/g,  " "));

}

</script>

</head>

<body>

<form onsubmit="return false;">

<h1>URL Decoder/Encoder</h1>

<textarea cols="80" rows="5" id="dencoder"></textarea>

<div>

<input type="button" onclick="decode()" value="Decode">

<input type="button" onclick="encode()" value="Encode">

</div>

</form>

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