Source code
Revision control
Copy as Markdown
Other Tools
var log = [];
var neverEncounteredValue = "This is not the value you are looking for.";
for (x in navigator) {
// skip functions, as they are writable
if (typeof navigator[x] === 'function') continue;
// this should silently fail and not throw per webidl
navigator[x] = neverEncounteredValue;
if (navigator[x] === neverEncounteredValue)
log.push(x);
}
postMessage(log.join(', '));