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kiidax/jsobjprop.html

Created September 15, 2014 04:45
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Dump Object properties of JavaScript
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jsobjprop.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="author" content="Katsuya Iida">
<title>JavaScript Object properties</title>
</head>
<body>
<h1>JavaScript Object properties</h1>
<table border="2" style="font: 12px monospace">
<tr><th>Name<th>Class properties<th>Instance properties</tr>
<script>
function print(x) { document.write(x); }
[ Object, String, Math, RegExp, Function, Array, Boolean, Number, Date, Error ].forEach(function (x) {
var ok = Object.getOwnPropertyNames(x);
var pk = Object.getOwnPropertyNames(x.prototype || []);
print("<tr><td>" + x.name + ": " + ok.length + ", " + pk.length);
print("<td>" + ok.sort().join("<br>"));
print("<td>" + pk.sort().join("<br>") + "</tr>");
});
</script>
</table>
</body>
</html>
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