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Finding improper JavaScript globals.
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// globals.js | |
// https://gist.github.com/pocotan001/6305714 | |
// Finding improper JavaScript globals | |
(function() { | |
var prop, cleanWindow, | |
globals = new function globals() {}, | |
body = document.body, | |
iframe = document.createElement('iframe'), | |
ignore = { | |
console: true, | |
Components: true, | |
XPCNativeWrapper: true, | |
XPCSafeJSObjectWrapper: true, | |
getInterface: true, | |
GetWeakReference: true | |
}; | |
globals.__proto__ = null; | |
iframe.src = 'about:blank'; | |
body.appendChild(iframe); | |
cleanWindow = iframe.contentWindow; | |
for (prop in window) { | |
if (!(prop in cleanWindow) && !ignore[prop] && !/^\d/.test(prop)) { | |
globals[prop] = window[prop]; | |
} | |
} | |
console.group('Found %c' + Object.keys(globals).length + '%c JavaScript globals.', 'color: red', ''); | |
console.dir(globals); | |
console.groupEnd(); | |
body.removeChild(iframe); | |
})(); |
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