uri/decode-uri-component/duc-1.html

<!DOCTYPE HTML>
<html>
<head>
<title>decodeURIComponent (encodeURIComponent (c))</title>
</head>
<body>

<p id=test>Script is not executed yet.</p>

<ul id=result-list></ul>

<script>
window.onload = function () {
  var test = document.getElementById ('test');
  var results = document.getElementById ('result-list');

  var c = function (j) {
    test.firstChild.data = 'Testing U+' + j.toString (16) + 'XX...';

    for (var i = 0; i < 0x100; i++) {
      var code = i + 0x100 * j;
      var v = String.fromCharCode (code);
      var w;
      var x;
      try {
        w = encodeURIComponent (v);
        x = decodeURIComponent (w);
        if (v != x) {
          var li = results.appendChild (document.createElement ('li'));
          li.innerHTML = 'X';
          li.firstChild.data = code.toString (16).toUpperCase () + ' -> ' +
              w + ' -> ' + encodeURIComponent (x);
        }
      } catch (e) {
        var li = results.appendChild (document.createElement ('li'));
        li.innerHTML = 'X';
        li.firstChild.data = code.toString (16).toUpperCase () + ' -> ' +
            w + ' -> ' + e.toString ();
      }
    }

    j++;
    if (j < 0x100) {
      setTimeout (function () { c (j) }, 50);
    } else {
      setTimeout (function () { xc (0xD800, 0xDC) }, 50);
    }
  };
  setTimeout (function () { c (0) }, 50);

  var xc = function (i, jh) {
    test.firstChild.data = 'Testing surrogate 0x' + i.toString (16) + ' 0x' +
        jh.toString (16) + 'XX...';

    for (var jl = 0x00; jl < 0x100; jl++) {
      var j = jh * 0x100 + jl;
      var v = String.fromCharCode (i) + String.fromCharCode (j);
      var w;
      var x;
      try {
        w = encodeURIComponent (v);
        x = decodeURIComponent (w);
        if (v != x) {
          var li = results.appendChild (document.createElement ('li'));
          li.innerHTML = 'X';
          li.firstChild.data = i.toString (16).toUpperCase () + ', ' +
              j.toString (16).toUpperCase () + ' -> ' +
              w + ' -> ' + encodeURIComponent (x);
        }
      } catch (e) {
        var li = results.appendChild (document.createElement ('li'));
        li.innerHTML = 'X';
        li.firstChild.data = i.toString (16).toUpperCase () + ', ' +
            j.toString (16).toUpperCase () + ' -> ' +
            w + ' -> ' + e.toString ();
      }
    }

    jh++;
    if (jh > 0xDF) {
      i++;
      jh = 0xDC;
    }

    if (i < 0xDC00) {
      setTimeout (function () { xc (i, jh) }, 50);
    } else {
      test.firstChild.data = 'Done.';
    }
  };
};
</script>

</body>
</html>
1	<!DOCTYPE HTML>
2	<html>
3	<head>
4	<title>decodeURIComponent (encodeURIComponent (c))</title>
5	</head>
6	<body>
7
8	<p id=test>Script is not executed yet.</p>
9
10	<ul id=result-list></ul>
11
12	<script>
13	window.onload = function () {
14	var test = document.getElementById ('test');
15	var results = document.getElementById ('result-list');
16
17	var c = function (j) {
18	test.firstChild.data = 'Testing U+' + j.toString (16) + 'XX...';
19
20	for (var i = 0; i < 0x100; i++) {
21	var code = i + 0x100 * j;
22	var v = String.fromCharCode (code);
23	var w;
24	var x;
25	try {
26	w = encodeURIComponent (v);
27	x = decodeURIComponent (w);
28	if (v != x) {
29	var li = results.appendChild (document.createElement ('li'));
30	li.innerHTML = 'X';
31	li.firstChild.data = code.toString (16).toUpperCase () + ' -> ' +
32	w + ' -> ' + encodeURIComponent (x);
33	}
34	} catch (e) {
35	var li = results.appendChild (document.createElement ('li'));
36	li.innerHTML = 'X';
37	li.firstChild.data = code.toString (16).toUpperCase () + ' -> ' +
38	w + ' -> ' + e.toString ();
39	}
40	}
41
42	j++;
43	if (j < 0x100) {
44	setTimeout (function () { c (j) }, 50);
45	} else {
46	setTimeout (function () { xc (0xD800, 0xDC) }, 50);
47	}
48	};
49	setTimeout (function () { c (0) }, 50);
50
51	var xc = function (i, jh) {
52	test.firstChild.data = 'Testing surrogate 0x' + i.toString (16) + ' 0x' +
53	jh.toString (16) + 'XX...';
54
55	for (var jl = 0x00; jl < 0x100; jl++) {
56	var j = jh * 0x100 + jl;
57	var v = String.fromCharCode (i) + String.fromCharCode (j);
58	var w;
59	var x;
60	try {
61	w = encodeURIComponent (v);
62	x = decodeURIComponent (w);
63	if (v != x) {
64	var li = results.appendChild (document.createElement ('li'));
65	li.innerHTML = 'X';
66	li.firstChild.data = i.toString (16).toUpperCase () + ', ' +
67	j.toString (16).toUpperCase () + ' -> ' +
68	w + ' -> ' + encodeURIComponent (x);
69	}
70	} catch (e) {
71	var li = results.appendChild (document.createElement ('li'));
72	li.innerHTML = 'X';
73	li.firstChild.data = i.toString (16).toUpperCase () + ', ' +
74	j.toString (16).toUpperCase () + ' -> ' +
75	w + ' -> ' + e.toString ();
76	}
77	}
78
79	jh++;
80	if (jh > 0xDF) {
81	i++;
82	jh = 0xDC;
83	}
84
85	if (i < 0xDC00) {
86	setTimeout (function () { xc (i, jh) }, 50);
87	} else {
88	test.firstChild.data = 'Done.';
89	}
90	};
91	};
92	</script>
93
94	</body>
95	</html>