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jennasalau/Self-XSS-Warning.js

Created May 31, 2018 23:31
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Social Engineering Self-XSS Warning Like Facebook
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Self-XSS-Warning.js
if (process.env.NODE_ENV === 'production') {
if (typeof window !== 'undefined' && typeof console === 'object' && typeof console.log === 'function') { // eslint-disable-line no-console
console.log('%cWARNING!', 'color:white; background:red; font-size: 16pt'); // eslint-disable-line no-console
console.log('%cThis is a browser feature intended for developers. Using this console may allow attackers to impersonate you and steal your information. Do not enter or paste code that you do not understand.', 'font-size: 14pt'); // eslint-disable-line no-console
}
}
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