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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
Revision 6f9aaf638b7e0200ae9ebb434803524257a5616a authored by jkereliuk on 10 April 2018, 17:54:41 UTC, committed by jkereliuk on 10 April 2018, 18:01:21 UTC 
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Tip revision: 6f9aaf638b7e0200ae9ebb434803524257a5616a authored by jkereliuk on 10 April 2018, 17:54:41 UTC
added special keys note
Tip revision: 6f9aaf6
console-format-specifier-symbol-manual.html 
<!DOCTYPE html>
<html>
<head>
<title>Console Format Specifiers on Symbols</title>
<meta name="author" title="Dominic Farolino" href="mailto:domfarolino@gmail.com">
<meta name="assert" content="Console format specifiers on Symbols">
<link rel="help" href="https://console.spec.whatwg.org/#formatter">
</head>
<body>
<p>Open the console inside the developer tools. It should contain five lines, each of which are:</p>
<p><code>Symbol(description)</code></p>

<script>
console.log("%s", Symbol.for("description"));
console.dirxml("%s", Symbol.for("description"));
console.trace("%s", Symbol.for("description"));
console.group("%s", Symbol.for("description"));
console.groupCollapsed("%s", Symbol.for("description"));
</script>
</body>
</html>
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