js字符串与16进制互相转换

\x65\x76\x61\x6c
是否启用\x加密

    <script type="text/javascript">
        function JavaDe() {
            var monyer = new Array();
            var s = document.getElementById('code').value.split("\\");
            for (i = 1; i < s.length; i++) {
                s[i] = s[i].replace('x', '');
                monyer += String.fromCharCode(parseInt(s[i], 16))
            }
            document.getElementById('code').value = monyer;
        }
        function JavaEn() {
            var txt = document.getElementById("code");
            var hex = document.getElementById("true");
            var monyer = new Array(); var i, s;
            for (i = 0; i < txt.value.length; i++) {
                s = txt.value.charCodeAt(i).toString(16);
                if (hex.checked) {
                    monyer += "\\x" + s;
                } else {
                    monyer += new Array(5 - String(s).length).join("0") + s;
                }
            }
            txt.value = monyer;
        }
        function hexToString(str) {
            var monyer = new Array();
            var s = str.split(",");
            for (i = 0; i < s.length; i++) {
                monyer += String.fromCharCode(parseInt(s[i], 16))
            }
            document.getElementById('code').value = monyer;
        }

        function stringToHex(str) {
            var val = "";
            for (var i = 0; i < str.length; i++) {
                if (val == "")
                    val = str.charCodeAt(i).toString(16);
                else
                    val += "," + str.charCodeAt(i).toString(16);
            }
            document.getElementById('code').value = val;
        }
    </script>
    <textarea id="code" rows="10" cols="50">\x65\x76\x61\x6c</textarea><input type="checkbox"
        checked id="true">是否启用\x加密<br>
    <input onclick="JavaDe()" type="button" value='16进制解密"\x"'><input onclick="JavaEn()"
        type="button" value='16进制加密'><br>
    <br>
    <input onclick="hexToString(document.getElementById('code').value)" type="button"
        value='16进制解密","'><input onclick="stringToHex(document.getElementById('code').value)"
            type="button" value='16进制加密","'>