Change Firefox Detection Method #104
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Instead of using `navigator.userAgent` string to test for Mozilla Firefox (Which can be spoofed), it may be more robust to use the proprietary `InstallTrigger` variable present in all gecko-based browsers, including Firefox. Source: <https://developer.mozilla.org/en-US/docs/XPInstall_API_Reference/InstallTrigger_Object>
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Instead of using
navigator.userAgentstring to test for Mozilla Firefox (Which can be spoofed), it may be more robust to use the proprietaryInstallTriggervariable present in all gecko-based browsers, including Firefox.Source: https://developer.mozilla.org/en-US/docs/XPInstall_API_Reference/InstallTrigger_Object